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
Description : Hg sticks to the surface of glass when it comes into contact with
Last Answer : Hg sticks to the surface of glass when it comes into contact with A. `H_(2)O` B. `HNO_(3)` C. Grease D. `O_(3)`
Description : Are Formed Where Bumps From Two Surfaces Comes Into Contact?
Last Answer : microwelds
Description : What happens when lime water comes in contact with hydrogen?
Last Answer : Need answer
Description : Which one is olive drab and chemically treated to change color when it comes in contact with liquid nerve or blister?
Last Answer : M9
Description : It is easier to roll a barrel than to pull it because (a) the full weight of the barrel comes into play when it is pulled (b) rolling friction is much less than sliding friction (c) the surface ... in contact with the road is more in the case of pulling (d) of a reason other than those mentioned
Last Answer : Ans:(b)
Description : Molten sodium (as a coolant in fast breeder reactor) (A) Can’t attain high temperature at normal pressure (B) Is not at all corrosive, even at a higher temperature (C) Is highly radioactive at elevated temperatures and can cause explosion, when it comes in contact with air or water (D) None of these
Last Answer : (C) Is highly radioactive at elevated temperatures and can cause explosion, when it comes in contact with air or water
Description : In bridge work, which of the followings terms is NOT CORRECT: A. A retainer could be a crown to which a bridge is attached to B. A connector connects a pontic to a retainer or two retainers to each ... lie and comes in contact with pontic D. A pontic is an artificial tooth as part of a bridge
Last Answer : C. The saddle is the area of the edentulous ridge over which the pontic will lie and comes in contact with pontic
Description : The temperature of the top of a frozen lake is – 15°C. What is the temperature of the water in the lake in contact with the ice layer? (a) 0°C (b) 4°C (c) –15°C (d) –7.5°C
Last Answer : Ans:(a)
Description : Why is the lowest layer of the atmosphere in contact with the earth’s surface, the warmest?
Last Answer : Ans: The lowest layer of the atmosphere in contact with the earth’s surface is the warmest because the atmosphere is heated mainly from the below.
Description : Fluid motion in the natural convection heat transfer between a solid surface and a fluid in contact with it, results from the (A) Existence of thermal boundary layer (B) Temperature gradient produced ... difference (C) Buoyancy of the bubbles produced at active nucleation site (D) None of these
Last Answer : (D) None of these
Description : Explain the events that occur during fertilisation of an ovum in humans. How is it that only one sperm enters the OVUm? -Biology
Last Answer : (i)In humans, the fertilisation of ovum takes place in ampullary-isthmic junction of Fallopian tube. The events that occur during the process of fertilisation are: (a) The sperm reaches the ... that blocks the entry of additional sperms. This ensures that only one sperm can fertilise an ovum
Description : How is the entry of only one sperm ensured into an ovum during fertilisation in humans? -Biology
Last Answer : During fertilisation, a sperm comes in contact with the zona pellucida layer of the ovum and induces changes (depolarisation) in the membrane that blocks the entry of additional sperms. This ensures that only one sperm can fertilise an ovum
Description : What organ receives sperm during reproduction?
Description : What process by which the egg cell and sperm cell unite during sexual reproduction?
Last Answer : The process is known as fertilisation (or fertilization in American English)
Description : What sperm is a formed during meiosis?
Last Answer : Feel Free to Answer
Description : How long can a sperm whale hold its breath during a dive?
Last Answer : 2 hours
Description : What happens during fertilisation in humans after many sperms reach close to the ovum? (a) Secretions of acrosome helps one sperm enter cytoplasm of ovum through zona pellucida. (b) All sperms except ... all the sperms except one. (d) Only two sperms nearest the ovum penetrate zona pellucida.
Last Answer : (a) Secretions of acrosome helps one sperm enter cytoplasm of ovum through zona pellucida.
Description : Which of the following statement about reproductions in human is correct. a) fertilisation takes place externally b) fertilisation takes place in the testes c) during fertilisation egg moves towards sperm d) fertilisation takes place in human female
Last Answer : d) fertilisation takes place in human female