A cross section at mid point of the middle piece of human sperm will show

A cross section at mid point of the middle piece of human sperm will show
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A cross section at mid point of the middle piece of human sperm will show A. Centrioe, ... microtublues D. 9+2 arrangement of microtubules only.
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Write the function of each of the following (i)Middle piece in human sperm (ii)Tapetum in anthers (iii)Luteinising hormone in human males -Biology

Description : Write the function of each of the following (i)Middle piece in human sperm (ii)Tapetum in anthers (iii)Luteinising hormone in human males -Biology

Last Answer : (i)Middle piece in human sperm contains several mitochondria which produces energy for the motility of the sperm. (ii) Tapetum in anthers It is the innermost layer of the anther. ... male stimulates the Leydig cells to produce testosterone, necessary to complete the process of spermatogenesis.

WRITE THE FUNTION OF EACH OF THE FOLLOWING: (a) MIDDLE PIECE OF HUMAN SPERM (b) LUTEINIZING HORMONE IN HUMAN MALES

Description : WRITE THE FUNTION OF EACH OF THE FOLLOWING: (a) MIDDLE PIECE OF HUMAN SPERM (b) LUTEINIZING HORMONE IN HUMAN MALES

Last Answer : ANS. (a) PROVIDES ENERGY FOR MOVEMENT DUE TO PRESENCE OF MITOCHONDRIA. (c) STIMULATES SYNTHESIS AND SECRETION OF ANDROGENS.

Fertilizin is a chemical substance produced from (a) polar bodies (b) middle piece of sperm (c) mature eggs (d) acrosome.

Description : Fertilizin is a chemical substance produced from (a) polar bodies (b) middle piece of sperm (c) mature eggs (d) acrosome.

Last Answer : (c) mature eggs

The middle piece of the sperm contains (a) proteins (b) mitochondria (c) centriole (d) nucleus.

Description : The middle piece of the sperm contains (a) proteins (b) mitochondria (c) centriole (d) nucleus.

Last Answer : (b) mitochondria

A stream line is (A) Fixed in space in steady flow (B) Always the path of particle (C) Drawn normal to the velocity vector at every point (D) A line connecting the mid points of flow cross-section

Description : A stream line is (A) Fixed in space in steady flow (B) Always the path of particle (C) Drawn normal to the velocity vector at every point (D) A line connecting the mid points of flow cross-section

Last Answer : (A) Fixed in space in steady flow

Velocity distribution for flow between two fixed parallel plates (A) Varies parabolically across the section (B) Is constant over the entire cross-section (C) Is zero at the plates and increases linearly to the mid-plane (D) None of these

Description : Velocity distribution for flow between two fixed parallel plates (A) Varies parabolically across the section (B) Is constant over the entire cross-section (C) Is zero at the plates and increases linearly to the mid-plane (D) None of these

Last Answer : (A) Varies parabolically across the section

A piece of wire of resistance 4 ohm s is bent through `180^(@)` at its mid point and the two halves are twisted together, then the resistance is

Description : A piece of wire of resistance 4 ohm s is bent through `180^(@)` at its mid point and the two halves are twisted together, then the resistance is

Last Answer : A piece of wire of resistance 4 ohm s is bent through `180^(@)` at its mid point and the two halves ... `8Omega` B. `1Omega` C. `2Omega` D. `5Omega`

Diaphragm of a surveying telescope is held inside (A) Eye-piece (B) Objective (C) Telescope tube at its mid point (D) Telescope at the end nearer the eye-piece

Description : Diaphragm of a surveying telescope is held inside  (A) Eye-piece  (B) Objective  (C) Telescope tube at its mid point  (D) Telescope at the end nearer the eye-piece

Last Answer : (D) Telescope at the end nearer the eye-piece

Pick up the incorrect statement from the following: In a dry dock block made of hard wood, (A) Spacing of the blocks is 1.35 m (B) The lowest block is 1.8 m long 40 cm × 40 cm in cross-section (C) The middle block is 1.6 m long 40 cm × 40 cm in cross-section (D) None of these

Description : Pick up the incorrect statement from the following: In a dry dock block made of hard wood, (A) Spacing of the blocks is 1.35 m (B) The lowest block is 1.8 m long 40 cm × 40 cm in cross-section (C) The middle block is 1.6 m long 40 cm × 40 cm in cross-section (D) None of these

Last Answer : (D) None of these

A hollow prismatic beam of circular section is subjected to a torsional moment. The maximum shear stress occurs at (a) inner wall of cross section (b) middle of thickness (c) outer surface of shaft (d) none of these

Description : A hollow prismatic beam of circular section is subjected to a torsional moment. The maximum shear stress occurs at (a) inner wall of cross section (b) middle of thickness (c) outer surface of shaft (d) none of these

Last Answer : (c) outer surface of shaft

Which piece of a sperm is called power house ?

Description : Which piece of a sperm is called power house ?

Last Answer : Which piece of a sperm is called power house ? A. Head piece B. Neck piece C. Middle piece D. Tail piece

The section modulus of a rectangular light beam 25 metres long is 12.500 cm3 . The beam is simply supported at its ends and carries a longitudinal axial tensile load of 10 tonnes in addition to a point load of 4 tonnes at the centre. The maximum stress in the bottom most fibre at the mid span section, is (A) 13.33 kg/cm2 tensile (B) 13.33 kg/cm2 compressive (C) 26.67 kg/cm2 tensile (D) 26.67 kg/cm2 compressive

Description : The section modulus of a rectangular light beam 25 metres long is 12.500 cm3 . The beam is simply supported at its ends and carries a longitudinal axial tensile load of 10 tonnes in addition to a point load of ... 13.33 kg/cm2 compressive (C) 26.67 kg/cm2 tensile (D) 26.67 kg/cm2 compressive

Last Answer : (C) 26.67 kg/cm2 tensile

To open a door easily, the handle should be fixed – (1) near the hinges (2) away from mid-point opposite to hinges (3) in the middle (4) None of these

Description : To open a door easily, the handle should be fixed – (1) near the hinges (2) away from mid-point opposite to hinges (3) in the middle (4) None of these

Last Answer : (4) None of these Explanation: Since Torque = force x distance, to open a door easily, the handle should be fixed at the greatest distance from the hinges. If we pull with same force on a handle that is ... away from the hinges, we will provide twice the torque, so it will be twice as easy to open.

To open a door easily, the handle should be fixed (1) near the hinges (2) away from mid-point opposite to hinges (3) in the middle (4) None of these

Description : To open a door easily, the handle should be fixed (1) near the hinges (2) away from mid-point opposite to hinges (3) in the middle (4) None of these

Last Answer : None of these

A streamline is (A) The line connecting the mid-points of flow cross-sections (B) Defined for uniform flow only (C) Drawn normal to the velocity vector at every point (D) Always the path of a particle

Description : A streamline is (A) The line connecting the mid-points of flow cross-sections (B) Defined for uniform flow only (C) Drawn normal to the velocity vector at every point (D) Always the path of a particle

Last Answer : (C) Drawn normal to the velocity vector at every point

Thin cytoplasmic layer is present in middle part of sperm is called :-

Description : Thin cytoplasmic layer is present in middle part of sperm is called :-

Last Answer : Thin cytoplasmic layer is present in middle part of sperm is called :- A. Nebenkern B. Manchette C. Axial filament D. Zensen ring

ABC is a triangle right angled at C. A line through the mid-point M of hypotenuse AB and parallel to BC intersects AC at D. Show that (i) D is the mid-point of AC (ii) MD ⊥ AC (iii) CM = MA = ½ AB -Maths 9th

Description : ABC is a triangle right angled at C. A line through the mid-point M of hypotenuse AB and parallel to BC intersects AC at D. Show that (i) D is the mid-point of AC (ii) MD ⊥ AC (iii) CM = MA = ½ AB -Maths 9th

Last Answer : Solution: (i) In ΔACB, M is the midpoint of AB and MD || BC , D is the midpoint of AC (Converse of mid point theorem) (ii) ∠ACB = ∠ADM (Corresponding angles) also, ∠ACB = 90° , ∠ADM = 90° and MD ⊥ AC (iii ... SAS congruency] AM = CM [CPCT] also, AM = ½ AB (M is midpoint of AB) Hence, CM = MA = ½ AB

4. ABCD is a trapezium in which AB || DC, BD is a diagonal and E is the mid-point of AD. A line is drawn through E parallel to AB intersecting BC at F (see Fig. 8.30). Show that F is the mid-point of BC. -Maths 9th

Description : 4. ABCD is a trapezium in which AB || DC, BD is a diagonal and E is the mid-point of AD. A line is drawn through E parallel to AB intersecting BC at F (see Fig. 8.30). Show that F is the mid-point of BC. -Maths 9th

Last Answer : . Solution: Given that, ABCD is a trapezium in which AB || DC, BD is a diagonal and E is the mid-point of AD. To prove, F is the mid-point of BC. Proof, BD intersected EF at G. In ΔBAD, E is the ... point of BD and also GF || AB || DC. Thus, F is the mid point of BC (Converse of mid point theorem)

In Fig.5.7, AC = XD, c is the mid-point of AB and D is the mid-point of XY. Using a Euclid's axiom,show that AB=XY. -Maths 9th

Description : In Fig.5.7, AC = XD, c is the mid-point of AB and D is the mid-point of XY. Using a Euclid's axiom,show that AB=XY. -Maths 9th

Last Answer : Solution :-

ABC is a triangle right-angled at C. A line through the mid-point of hypotenuse AB and parallel to BC intersects AC at D. Show that -Maths 9th

Description : ABC is a triangle right-angled at C. A line through the mid-point of hypotenuse AB and parallel to BC intersects AC at D. Show that -Maths 9th

Last Answer : Solution :-

Given below is a diagrammatic cross section of a single loop of human cochlea. A C D B A Which one of the following options correctly represents the names of three different parts? (a) D : Sensory hair cells, A : Endolymph, B : Tectorial membrane(b) A : Perilymph, B : Tectorial membrane, C: Endolymph (c) B : Tectorial membrane, C : Perilymph, D: Secretory cells (d) C : Endolymph, D : Sensory hair cells, A : Serum

Description : Given below is a diagrammatic cross section of a single loop of human cochlea. A C D B A Which one of the following options correctly represents the names of three different parts? (a) D : Sensory hair cells ... : Perilymph, D: Secretory cells (d) C : Endolymph, D : Sensory hair cells, A : Serum

Last Answer : (d) C : Endolymph, D : Sensory hair cells, A : Serum

When looking at the cross section of the human tibia, one finds the RED marrow in the: a) medullary cavity b) cancellous bone c) periosteum d) epiphysis

Description : When looking at the cross section of the human tibia, one finds the RED marrow in the: a) medullary cavity b) cancellous bone c) periosteum d) epiphysis

Last Answer : ANSWER: A -- medullary cavity

What are some good exercises for mid-section fat burning?

Description : What are some good exercises for mid-section fat burning?

Last Answer : Crunches, abdominal curls and situps are good ways to tone the muscles around your mid-section. Overall fat loss depends on a health diet and exercise regime, including these strength exercises.

When a uniformly distributed load, longer than the span of the girder, moves from left to right, then the maximum bending moment at mid section of span occurs when the uniformly distributed load occupies (A) Less than the left half span (B) Whole of left half span (C) More than the left half span (D) Whole span

Description : When a uniformly distributed load, longer than the span of the girder, moves from left to right, then the maximum bending moment at mid section of span occurs when the uniformly distributed load occupies (A) Less ... (B) Whole of left half span (C) More than the left half span (D) Whole span

Last Answer : (D) Whole span

Design of R.C.C. simply supported beams carrying U.D.L. is based on the resultant B.M. at (A) Supports (B) Mid span (C) Every section (D) Quarter span

Description : Design of R.C.C. simply supported beams carrying U.D.L. is based on the resultant B.M. at (A) Supports (B) Mid span (C) Every section (D) Quarter span

Last Answer : Answer: Option B

In the mid-section formula (A) The mean depth is the average of depths of two consecutive sections (B) The area of mid-sections is calculated by using mean depth (C) The volume of the earth work is calculated by multiplying the mid-section area by the distance between the two original sections (D) All of the above

Description : In the mid-section formula (A) The mean depth is the average of depths of two consecutive sections (B) The area of mid-sections is calculated by using mean depth (C) The volume of the ... multiplying the mid-section area by the distance between the two original sections (D) All of the above

Last Answer : (D) All of the above

If the formation level of a highway has a uniform gradient for a particular length, and the ground is also having a longitudinal slope, the earthwork may be calculated by (A) Mid-section formula (B) Trapezoidal formula (C) Prismoidal formula (D) All the above

Description : If the formation level of a highway has a uniform gradient for a particular length, and the ground is also having a longitudinal slope, the earthwork may be calculated by (A) Mid-section formula (B) Trapezoidal formula (C) Prismoidal formula (D) All the above

Last Answer : (D) All the above

In order to achieve economy, the spacing of stirrups at mid span section---------- compared to that of support section [ A ] May be decreased [ B ] May be increased [ C ] Must be kept equal [ D ] None of the above.

Description : In order to achieve economy, the spacing of stirrups at mid span section---------- compared to that of support section [ A ] May be decreased [ B ] May be increased [ C ] Must be kept equal [ D ] None of the above.

Last Answer : [ B ] May be increased

The minimum centre to centre distance of a B.G. track in mid-section is ……….. mm (a) 4200 (b) 4265* (C) 4350 (d) 4000

Description : The minimum centre to centre distance of a B.G. track in mid-section is ……….. mm (a) 4200 (b) 4265* (C) 4350 (d) 4000

Last Answer : (b) 4265*

In Fig. the circular cross-section of tunnel is shown. A 100 W almp is lighted at the heighest point S. The diameter of the tunnel is 2m. Compare the

Description : In Fig. the circular cross-section of tunnel is shown. A 100 W almp is lighted at the heighest point S. The diameter of the tunnel is 2m. Compare the

Last Answer : In Fig. the circular cross-section of tunnel is shown. A 100 W almp is lighted at the heighest point ... lowest point P and the point Q of the tunnel.

Pick up the correct statement from the following: (A) For channels, the shear centre does not coincide its centroid (B) The point of intersection of the bending axis with the cross section of the beam, is called shear centre (C) For I sections, the shear centre coincides with the centroid of the cross section of the beam (D) All the above

Description : Pick up the correct statement from the following:  (A) For channels, the shear centre does not coincide its centroid  (B) The point of intersection of the bending axis with the cross section ... shear centre coincides with the centroid of the cross section of the beam  (D) All the above

Last Answer : (D) All the above

The intensity of direct longitudinal stress in the cross-section at any point distant r from the neutral axis, is proportional to (A) r (B) 1/r (C) r2 (D) 1/r²

Description : The intensity of direct longitudinal stress in the cross-section at any point distant r from the neutral axis, is proportional to (A) r (B) 1/r (C) r2 (D) 1/r²

Last Answer : (A) r

In a bar of large length when held vertically and subjected to a load at its lower end, its own￾weight produces additional stress. The maximum stress will be (A) At the lower cross-section (B) At the built-in upper cross-section (C) At the central cross-section (D) At every point of the bar

Description : In a bar of large length when held vertically and subjected to a load at its lower end, its own￾weight produces additional stress. The maximum stress will be (A) At the lower cross-section (B) At the built-in upper cross-section (C) At the central cross-section (D) At every point of the bar

Last Answer : (B) At the built-in upper cross-section

What is the distance away from midspan of a plastic hinge if developing in a simply supported beam of rectangular cross-section and span 6 m, subjected to a point load at the centre? (a) Zero (b) 1 m (c) 2 m (d) 3 m

Description : What is the distance away from midspan of a plastic hinge if developing in a simply supported beam of rectangular cross-section and span 6 m, subjected to a point load at the centre? (a) Zero (b) 1 m (c) 2 m (d) 3 m

Last Answer : (a) Zero

I am having stomach pains shorly after I eat, sort of dull (though sometimes somewhat sharp) pain in the middle of my abs/stomach. I'm in my mid-twenties, workout very often, and usually eat very healthy. What could this be? An ulcer?

Description : I am having stomach pains shorly after I eat, sort of dull (though sometimes somewhat sharp) pain in the middle of my abs/stomach. I'm in my mid-twenties, workout very often, and usually eat very healthy. What could this be? An ulcer?

Last Answer : Im so helpful

The nurse auscultates the apex beat at which of the following anatomical locations? a) Fifth intercostal space, midclavicular line The left ventricle is responsible for the apex beat or the point of maximum impulse, which is normally palpable in the left midclavicular line of the chest wall at the fifth intercostal space. b) Mid-sternum The right ventricle lies anteriorly, just beneath the sternum. c) 2” to the left of the lower end of the sternum Use of inches to identify the location of the apex beat is inappropriate based upon variations in human anatomy. d) 1” to the left of the xiphoid process Auscultation below and to the left of the xiphoid process will detect gastrointestinal sounds, but not the apex beat of the heart.

Description : The nurse auscultates the apex beat at which of the following anatomical locations? a) Fifth intercostal space, midclavicular line The left ventricle is responsible for the apex beat or the point of ... of the xiphoid process will detect gastrointestinal sounds, but not the apex beat of the heart.

Last Answer : a) Fifth intercostal space, midclavicular line The left ventricle is responsible for the apex beat or the point of maximum impulse, which is normally palpable in the left midclavicular line of the chest wall at the fifth intercostal space.

What is arrangement of microtubules in middle piece? -Biology

Description : What is arrangement of microtubules in middle piece? -Biology

Last Answer : answer:

What is arrangement of microtubules in middle piece? -Biology

Description : What is arrangement of microtubules in middle piece? -Biology

Last Answer : answer:

Jam nut is a locking device in which (A) A smaller nut is tightened against main nut creating friction at the contacting surface (B) A split pin is passed through diametrically opposite slots in nut and a hole in bolt and the two ends of split pin are separated and bent back on nut (C) A slot is cut in the middle of nut along the length and a cap screw is provided to tighten the two parts of nut separated by slot (D) An elastic piece is tightened in the nut by a setscrew

Description : Jam nut is a locking device in which (A) A smaller nut is tightened against main nut creating friction at the contacting surface (B) A split pin is passed through diametrically opposite slots in nut and ... parts of nut separated by slot (D) An elastic piece is tightened in the nut by a setscrew

Last Answer : (A) A smaller nut is tightened against main nut creating friction at the contacting surface

Castle nut is a locking device in which (A) A smaller nut is tightened against main nut creating friction at the contacting surface (B) A split pin is passed through diametrically opposite slots in nut and a hole in bolt and the two ends of split pin are separated and bent back on nut (C) A slot is cut in the middle of nut along the length and a cap screw is provided to tighten the two parts of nut separated by slot (D) An elastic piece is tightened in the nut by a setscrew

Description : Castle nut is a locking device in which (A) A smaller nut is tightened against main nut creating friction at the contacting surface (B) A split pin is passed through diametrically opposite slots in nut and ... of nut separated by slot (D) An elastic piece is tightened in the nut by a setscrew

Last Answer : (B) A split pin is passed through diametrically opposite slots in nut and a hole in bolt and the two ends of split pin are separated and bent back on nut

Cross hairs in surveying telescopes, are fitted (A) In the objective glass (B) At the centre of the telescope (C) At the optical centre of the eye piece (D) In front of the eye piece

Description : Cross hairs in surveying telescopes, are fitted (A) In the objective glass (B) At the centre of the telescope (C) At the optical centre of the eye piece (D) In front of the eye piece

Last Answer : (D) In front of the eye piece

The real image of an object formed by the objective must lie (A) In the plane of cross hairs (B) At the centre of the telescope (C) At the optical centre of the eye-piece (D) Anywhere inside the telescope

Description : The real image of an object formed by the objective must lie (A) In the plane of cross hairs (B) At the centre of the telescope (C) At the optical centre of the eye-piece (D) Anywhere inside the telescope

Last Answer : (A) In the plane of cross hairs

Science is close to making human sperm from human skin cells. How will we ensure that all reproduction is voluntary?

Description : Science is close to making human sperm from human skin cells. How will we ensure that all reproduction is voluntary?

Last Answer : answer:Interesting. Of course, similar questions were asked when science showed that it could indeed clone animals but the fact that it's skin cells makes the whole process more .worrisome. If I remember ... , and in utero death. I wonder if these created sperm would be viable and stable.

Write the function of each of the following (i)Seminal vesicle (ii)Scutellum (iii)Acrosome of human sperm -Biology

Description : Write the function of each of the following (i)Seminal vesicle (ii)Scutellum (iii)Acrosome of human sperm -Biology

Last Answer : (i)Seminal vesicle spermatogenesis It secretes an alkaline fluid that helps in neutralising the acidity of the vaginal tract and thereby increase the lifespan of sperms. Secretion of seminal vesicle is ... which help the sperm enter into the cytoplasm of the ovum and thus helps in fertilisation.

(a) If a normal human cell has 46 chromosomes, how many chromosomes will be there in a human: (i) Sperm (ii) Zygote (b) Name an animal in which individuals can change sex. What does this indicate? -Science

Description : (a) If a normal human cell has 46 chromosomes, how many chromosomes will be there in a human: (i) Sperm (ii) Zygote (b) Name an animal in which individuals can change sex. What does this indicate? -Science

Last Answer : (a) A normal human being has 46 chromosomes in which 23 chromosomes come from males and 23 chromosomes come from female. (i) Sperms coming from males have 23 chromosomes. (ii) Zygote forming in ... chromosomes in all. (b) Snail. This indicates that sex is not determined genetically in such animals.

In human beings, normally in which part, does the sperm fertilize the ovum? -Do You Know?

Description : In human beings, normally in which part, does the sperm fertilize the ovum? -Do You Know?

Last Answer : answer:

In the human anatomy, eggs and Sperm are a form of which of the followingA.Asexual reproduction B.Sexual reproduction C.GametesD.Somatic cells?

Description : In the human anatomy, eggs and Sperm are a form of which of the followingA.Asexual reproduction B.Sexual reproduction C.GametesD.Somatic cells?

Last Answer : The answer is C. Gametes

Which is correct about human sperm

Description : Which is correct about human sperm

Last Answer : Which is correct about human sperm A. Sperm lysins in acrosome dissolve egg envelope ... for piercing and penetrating egg for fertilization.

Assertion : When sperm enters in egg , one polar body is released in human . Reason : At the time of ovulation eggs found in secondary Oocyte phase .

Description : Assertion : When sperm enters in egg , one polar body is released in human . Reason : At the time of ovulation eggs found in secondary Oocyte phase .

Last Answer : Assertion : When sperm enters in egg , one polar body is released in human . Reason : At the time ... False . D. If both Assertion & Reason are False.

Assertion : In the human the temperature of scrotum is `2-2.5^(@)C` lesser then normal body temperature . Reason : Formation of sperm does not occur a

Description : Assertion : In the human the temperature of scrotum is `2-2.5^(@)C` lesser then normal body temperature . Reason : Formation of sperm does not occur a

Last Answer : Assertion : In the human the temperature of scrotum is `2-2.5^(@)C` lesser then normal body ... False . D. If both Assertion & Reason are False.