chromosome are referred to as

(a) m-arm and n-arm respectively

(b) s-arm and l-arm respectively

(c) p-arm and q-arm respectively

(d) q-arm and p-arm respectively.

The shorter and longer arms of a submetacentric

chromosome are referred to as

(a) m-arm and n-arm respectively

(b) s-arm and l-arm respectively

(c) p-arm and q-arm respectively

(d) q-arm and p-arm respectively.

chromosome are referred to as

(a) m-arm and n-arm respectively

(b) s-arm and l-arm respectively

(c) p-arm and q-arm respectively

(d) q-arm and p-arm respectively.

asked
Oct 26, 2021
by
aditya2321

**Description :** A chromosome with the centromere located very close to one end so that the shorter arm is very small is termed as (A) Telocentric (B) Sub-telocentric (C) Acrocentric (D) Both B and C

**Last Answer :** (D) Both B and C

**Description :** Select the incorrect match : (1) Lampbrush – Diplotene bivalents chromosomes (2) Allosomes – Sex chromosomes (3) Submetacentric – L-shaped chromososmes chromosomes (4) Polytene – Oocytes of amphibians chromosomes

**Last Answer :** (4) Polytene – Oocytes of amphibians chromosomes

**Description :** In an experiment l is the control variable m is the response variable and n and p are the extraneous factors. The specific units of are referred to as the treatments of the experiment?

**Last Answer :** Need answer

**Description :** In RSA public key cryptosystem suppose n=p*q where p and q are primes. (e,n) and (d,n) are public and private keys respectively. Let M be an integer such that 0

**Last Answer :** (2) I and III

**Description :** l, m and n are three parallel lines intersected by transversals p and q such that l, m and n cut off equal intercepts AB and BC on p (see figure). -Maths 9th

**Last Answer :** Though E, draw a line parallel to p intersecting L at G and n at H respectively. Since l | | m ⇒ AG | | BE and AB | | GE [by construction] ∴ Opposite sides of quadrilateral AGEB are ... ∠DGE = ∠FHE [alternate interior angles] By ASA congruence axiom, we have △DEG ≅ △FEH Hence, DE = EF

**Description :** l, m and n are three parallel lines intersected by transversals p and q such that l, m and n cut off equal intercepts AB and BC on p (see figure). -Maths 9th

**Last Answer :** Though E, draw a line parallel to p intersecting L at G and n at H respectively. Since l | | m ⇒ AG | | BE and AB | | GE [by construction] ∴ Opposite sides of quadrilateral AGEB are ... ∠DGE = ∠FHE [alternate interior angles] By ASA congruence axiom, we have △DEG ≅ △FEH Hence, DE = EF

**Description :** l,m and n are three parallel lines intersected by transversal p and q such that l,m and n cut-off equal intersepts AB and BC on p (Fig.8.55). Show that l,m and n cut - off equal intercepts DE and EF on q also. -Maths 9th

**Last Answer :** Given:l∥m∥n l,m and n cut off equal intercepts AB and BC on p So,AB=BC To prove:l,m and n cut off equal intercepts DE and EF on q i.e.,DE=EF Proof:In △ACF, B is the mid-point of ... a triangle, parallel to another side, bisects the third side. Since E is the mid-point of DF DE=EF Hence proved.

**Description :** In the Compton effect, a photon of wavelength l (read: lambdw) collides with a stationary electron. The wavelength of the emitted photon is: w) longer than l x) shorter than l y) the same as l z) no photon is emitted

**Last Answer :** ANSWER: W -- LONGER THAN l

**Description :** Which one of the following is correct pairing of a body part and the kind of muscle tissue that moves it? (a) Biceps of upper arm – S m o o t h m u s c l e fibres (b) Abdominal wall – Smooth muscle (c) Iris – Involuntary smooth muscle (d) Heart wall – Involuntary unstriated muscle

**Last Answer :** (b) Abdominal wall – Smooth muscle

**Description :** What is submetacentric ?

**Last Answer :** The chromosomes which are located slightly to one side in the middle of the centromere are called sub-centric or sub-metaccentric chromosomes. Its shape is like the English letter L.

**Description :** PQ and RS are two equal and parallel line segments.Any points M not lying on PQ or RS is joined to Q and S and lines through P parallel to SM meet at N.Prove that line segments MN and PQ are equal and parallel to each other. -Maths 9th

**Last Answer :** hope its clear

**Description :** The thickness of a laminar boundary layer over a flat plate at two different sections P and Q are 0.8 cm and 2.4 cm respectively. If the section Q is 3.6 m downstream of P, the distance of section P from the leading edge of the plate is (a) 0.32 m (b) 0.22 m (c) 0.40 m (d) 0.53 m

**Last Answer :** Ans: (c) Correct Answer is: 0.45 m

**Description :** . Select the incorrect statement. (a) Human males have one of their sex-chromosome much shorter than other. (b) Male fruit fly is heterogametic. (c) In male grasshoppers, 50% of sperms have no sex-chromosome. (d) In domesticated fowls, sex of progeny depends on the type of sperm rather than egg.

**Last Answer :** (d) In domesticated fowls, sex of progeny depends on the type of sperm rather than egg.

**Description :** The term Evergreen revolution has been given by a. Dr. M S Swaminathan b. Dr V L Chopra c. Dr B P Pal d. Dr M N Shinde

**Last Answer :** a. Dr. M S Swaminathan

**Description :** Let O be any point inside a triangle ABC. Let L, M and N be the points on AB, BC and CA respectively, -Maths 9th

**Last Answer :** answer:

**Description :** Match the following `{:(,,"Table-1",,"Table-2"),(,(A),L,(P),[M^(0)L^(0)T^(-2)]),(,(B),"Magnetic Flux",(Q),[ML^(2)T^(-2)A^(-1)]),(,(C),LC,(R),[ML^(2)T^

**Last Answer :** Match the following `{:(,,"Table-1",,"Table-2"),(,(A),L,(P),[M^(0)L^(0)T^(-2)]),(,(B),"Magnetic Flux",(Q) ... (-2)A^(-2)]),(,(D),CR^(2),(S),"None"):}`

**Description :** If d and n are the effective depth and depth of the neutral axis respectively of a singly reinforced beam, the lever arm of the beam, is (A) d (B) n (C) d + n/3 (D) d - n/3

**Last Answer :** Answer: Option D

**Description :** If the centromere is sub-median the two arms are unequal then the chromosome is called as

**Last Answer :** If the centromere is sub-median the two arms are unequal then the chromosome is called ... Metacentric B. Submetacentric C. Acrocentric D. Telocentric

**Description :** Anaphase Promoting Complex (APC) is a protein degradation machinery necessary for proper mitosis of animal cell. If APC is defective in a human cell, which of the following is expected to ... will not segregate. (c) Recombination of chromosome arms will occur. (d) Chromosomes will not condense

**Last Answer :** (b) Chromosomes will not segregate.

**Description :** Anaphase Promoting Complex (APC) is a protein degradation machinery necessary for proper mitosis of animal cells. If APC is defective in a human cell, which of the following is expected to occur ... will not segregate (3) Recombination of chromosome arms will occur (4) Chromosomes will not condense

**Last Answer :** (2) Chromosomes will not segregate

**Description :** Chromosome with equal arms is called (A) Metacentric (B) Sub-metacentric (C) Acrocentric (D) Telocentric

**Last Answer :** (A) Metacentric

**Description :** 3. ABCD is a rectangle and P, Q, R and S are mid-points of the sides AB, BC, CD and DA respectively. Show that the quadrilateral PQRS is a rhombus. -Maths 9th

**Last Answer :** Solution: Given in the question, ABCD is a rectangle and P, Q, R and S are mid-points of the sides AB, BC, CD and DA respectively. Construction, Join AC and BD. To Prove, PQRS is a rhombus. Proof: In ΔABC P and Q ... (ii), (iii), (iv) and (v), PQ = QR = SR = PS So, PQRS is a rhombus. Hence Proved

**Description :** 2. ABCD is a rhombus and P, Q, R and S are the mid-points of the sides AB, BC, CD and DA respectively. Show that the quadrilateral PQRS is a rectangle. -Maths 9th

**Last Answer :** Solution: Given in the question, ABCD is a rhombus and P, Q, R and S are the mid-points of the sides AB, BC, CD and DA respectively. To Prove, PQRS is a rectangle. Construction, Join AC and BD. Proof: In ΔDRS and ... , In PQRS, RS = PQ and RQ = SP from (i) and (ii) ∠Q = 90° , PQRS is a rectangle.

**Description :** If P,Q,R,S are respectively the mid - points of the sides of a parallelogram ABCD, if ar(||gm PQRS) = 32.5cm2 , then find ar(||gm ABCD). -Maths 9th

**Last Answer :** Join PR. ∵ △PSR and ||gm APRD are on the same base and between same parallel lines. ar(△PSR) = 1/2 ar(||gm APRD) Similarly, ar(△PQR) = 1/2 ar(||gm PBCR) ar(△PQRS) = ar(△PSR) + △(PQR) = 1/2 ar(||gm APRD) + 1 ... |gm PBCR) = 1/2 ar(||gm ABCD) ⇒ ar(||gm ABCD) = 2 ar(||gm PQRS) = 2 32.5 = 65cm2

**Description :** P, Q, R and S are respectively the mid-points of the sides AB, BC, CD and DA of a quadrilateral ABCD in which AC = BD. -Maths 9th

**Last Answer :** Given In a quadrilateral ABCD, P, Q, R and S are the mid-points of sides AB, BC, CD and DA, respectively. Also, AC = BD To prove PQRS is a rhombus.

**Description :** P, Q, R and S are respectively the mid-points of sides AB, BC, CD and DA of quadrilateral ABCD in which AC = BD and AC ⊥ BD. Prove that PQRS is a square. -Maths 9th

**Last Answer :** Given In quadrilateral ABCD, P, Q, R and S are the mid-points of the sides AB, BC, CD and DA, respectively. Also, AC = BD and AC ⊥ BD. To prove PQRS is a square. Proof Now, in ΔADC, S and R are the mid-points of the sides AD and DC respectively, then by mid-point theorem,

**Description :** If P,Q,R,S are respectively the mid - points of the sides of a parallelogram ABCD, if ar(||gm PQRS) = 32.5cm2 , then find ar(||gm ABCD). -Maths 9th

**Last Answer :** Join PR. ∵ △PSR and ||gm APRD are on the same base and between same parallel lines. ar(△PSR) = 1/2 ar(||gm APRD) Similarly, ar(△PQR) = 1/2 ar(||gm PBCR) ar(△PQRS) = ar(△PSR) + △(PQR) = 1/2 ar(||gm APRD) + 1 ... |gm PBCR) = 1/2 ar(||gm ABCD) ⇒ ar(||gm ABCD) = 2 ar(||gm PQRS) = 2 32.5 = 65cm2

**Description :** P, Q, R and S are respectively the mid-points of the sides AB, BC, CD and DA of a quadrilateral ABCD in which AC = BD. -Maths 9th

**Last Answer :** Given In a quadrilateral ABCD, P, Q, R and S are the mid-points of sides AB, BC, CD and DA, respectively. Also, AC = BD To prove PQRS is a rhombus.

**Description :** P, Q, R and S are respectively the mid-points of sides AB, BC, CD and DA of quadrilateral ABCD in which AC = BD and AC ⊥ BD. Prove that PQRS is a square. -Maths 9th

**Last Answer :** Given In quadrilateral ABCD, P, Q, R and S are the mid-points of the sides AB, BC, CD and DA, respectively. Also, AC = BD and AC ⊥ BD. To prove PQRS is a square. Proof Now, in ΔADC, S and R are the mid-points of the sides AD and DC respectively, then by mid-point theorem,

**Description :** ABCD is a rectangle and p q r s are the mid points of the side AB BC CD AND DA respectively. Show that the quadrilateral PQRS is a rhombus -Maths 9th

**Last Answer :** This answer was deleted by our moderators...

**Description :** If ABCD is a rectangle and P, Q, R and S are the mid-points of the sides AB, BC, CD and DA respectively, then quadrilateral PQRS is a rhombus. -Maths 9th

**Last Answer :** Here, we are joining A and C. In ΔABC P is the mid point of AB Q is the mid point of BC PQ∣∣AC [Line segments joining the mid points of two sides of a triangle is parallel to AC(third side) and ... RS=PS=RQ[All sides are equal] ∴ PQRS is a parallelogram with all sides equal ∴ So PQRS is a rhombus.

**Description :** ABCD is a trapezium in which AB || DC and AD = BC. If P, Q, R and S be respectively the mid-points of BA, BD, CD and CA, then PQRS is a -Maths 9th

**Last Answer :** Here is your First of all we will draw a quadrilateral ABCD with AD = BC and join AC, BD, P,Q,R,S are the mid points of AB, AC, CD and BD respectively. In the triangle ABC, P and Q are mid points of AB and AC respectively. All sides are equal so PQRS is a Rhombus.

**Description :** ABCD is a square. P, Q, R, S are the mid-points of AB, BC, CD and DA respectively. By joining AR, BS, CP, DQ, we get a quadrilateral which is a -Maths 9th

**Last Answer :** According to the given statement, the figure will be a shown alongside; using mid-point theorem: In △ABC,PQ∥AC and PQ=21 AC .......(1) In △ADC,SR∥AC and SR=21 AC .... ... are perpendicular to each other) ∴PQ⊥QR(angle between two lines = angle between their parallels) Hence PQRS is a rectangle.

**Description :** Compounds P and R upon ozonolysis produce Q and S, respectively. The molecular formula of Q and S is `C_(8)H_(8)O`. Q undergoes cannizzaro reactions b

**Last Answer :** Compounds P and R upon ozonolysis produce Q and S, respectively. The molecular formula of Q and S is `C_(8) ... R , respectively is (are) A. B. C. D.

**Description :** If a gymnast sitting on a rotating stool, with his arms outstretched suddenly lowers his arm a.the angular velocity will remain constant b.the angular momentum will increase c.the angular velocity will decrease d.his moment of inertia will decrease e.107 dynes

**Last Answer :** d. his moment of inertia will decrease

**Description :** I have a head body and arm but no blood. I have eyes but can't see, nose but can't smell. I have a stage but haven't seen anyone perform. I have arms but can not carry anything you see things with me but you can't see what I a am made of. What am I? -Riddles

**Last Answer :** A microscope.

**Description :** In what situation might in be better to position the electrodes on the upper arm and the thighs rather than lower on the arms and legs?

**Last Answer :** Need answer

**Description :** When measuring the blood pressure in each of the patient's arms, the nurse recognizes that in the normal adult, the pressures a) differ no more than 5 mm Hg between arm pressures. Normally, in ... . The left arm pressure is not anticipated to be higher than the right as a normal anatomical variant.

**Last Answer :** a) differ no more than 5 mm Hg between arm pressures. Normally, in the absence of disease of the vasculature, there is a difference of no more than 5 mm Hg between arm pressures.

**Description :** A four-arm bridge. All arms of which are predominantly resistive; used for measuring resistance

**Last Answer :** Resistance Bridge and Wheatstone Bridge

**Description :** Which of the following will increase the ANGULAR MOMENTUM of a person spinning on a rotatable frictionless bar chair? w) moving the arms closer to the body x) moving the arms farther from the body y) ... from the body and the other arm closer to the body with spastic repetition z) none of these

**Last Answer :** ANSWER: Z -- NONE OF THESE

**Last Answer :** If an inductance is connected in one arm of bridge and resistances in the remaining three arms the bridge cannot be balanced.

**Description :** A chromosome, in which the centromere is situated is situated close to its end so that one arm is very short and other vey long is

**Last Answer :** A chromosome, in which the centromere is situated is situated close to its end so that one ... B. Telocentric C. Sub-metacentric D. Metacentric

**Description :** The human insulin gene located on the short arm of chromosome: (A) 11 (B) 17 (C) 18 (D) 20

**Last Answer :** Answer : A

**Description :** Cri-du-chat syndrome in humans is caused by the (a) trisomy of 21st chromosome (b) fertilisation of an XX egg by a normal Y-bearing sperm (c) loss of half of the short arm of chromosome 5 (d) loss of half of the long arm of chromosome 5.

**Last Answer :** (c) loss of half of the short arm of chromosome 5

**Description :** If P(-l, 1), Q(3, -4), R(1, -1), S(-2, -3) and T(-4, 4) are plotted on the graph paper, then the point(s) in the fourth quadrant is/are -Maths 9th

**Last Answer :** (b) In point P (-1, 1), x-coordinate is -1 unit and y-coordinate is 1 unit, so it lies in llnd quadrant. Similarly, we can plot all the points Q (3, -4), R (1, -1), S (-2, -3) and T (-4, 4), It is clear from the graph that points R and Q lie in fourth quadrant.

**Description :** Which of the points P(0, 3), Q(l, 0), R(0, – 1), S(-5, 0) and T(1, 2) do not lie on the X-axis ? -Maths 9th

**Last Answer :** (c) We know that, if a point is of the form (x, 0)i.e., its y-coordinate is zero, then it will lie on X-axis otherwise not. Here, y-coordinates of points P(0, 3), R (0, -1) and T (1,2) are not zero, so these points do not lie on the X-axis.

**Description :** If P(-l, 1), Q(3, -4), R(1, -1), S(-2, -3) and T(-4, 4) are plotted on the graph paper, then the point(s) in the fourth quadrant is/are -Maths 9th

**Last Answer :** (b) In point P (-1, 1), x-coordinate is -1 unit and y-coordinate is 1 unit, so it lies in llnd quadrant. Similarly, we can plot all the points Q (3, -4), R (1, -1), S (-2, -3) and T (-4, 4), It is clear from the graph that points R and Q lie in fourth quadrant.

**Description :** Which of the points P(0, 3), Q(l, 0), R(0, – 1), S(-5, 0) and T(1, 2) do not lie on the X-axis ? -Maths 9th

**Last Answer :** (c) We know that, if a point is of the form (x, 0)i.e., its y-coordinate is zero, then it will lie on X-axis otherwise not. Here, y-coordinates of points P(0, 3), R (0, -1) and T (1,2) are not zero, so these points do not lie on the X-axis.

**Description :** An R.C.C. beam of 25 cm width and 50 cm effective depth has a clear span of 6 metres and carries a U.D.L. of 3000 kg/m inclusive of its self weight. If the lever arm constant for the section is 0.865, the maximum intensity ... , is (A) 8.3 kg/cm2 (B) 7.6 kg/cm2 (C) 21.5 kg/cm2 (D) 11.4 kg/cm2

**Last Answer :** Answer: Option A

**Description :** An R.C.C beam of 25 cm width has a clear span of 5 metres and carries a U.D.L. of 2000 kg/m inclusive of its self weight. If the lever arm of the section is 45 cm., the beam is ( ... shear (B) Is safe with stirrups (C) Is safe with stirrups and inclined members (D) Needs revision of the section

**Last Answer :** Answer: Option A