Following is correct match

Periods	Age of evolutionary event
A- Jurassic	I- Fish
B- Ordovician	II- Amphibian
C- Devonian	III- Gymnosperm
D-Carbonyferous	IV- Invertebrates

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#Question id: 28282

#Unit 5. Developmental Biology

In sea urchins, which of the following protein plays a second role as a  fusogenic protein? 

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#Question id: 28283

#Unit 5. Developmental Biology

Following statements are related to fast block to polyspermy, which statement is incorrect?

TLS Online TPP Program

#Question id: 28284

#Unit 5. Developmental Biology

In the Fast block to polyspermy, after the binding of the first sperm, the membrane potential shifts from

TLS Online TPP Program

#Question id: 28285

#Unit 5. Developmental Biology

If the egg cell membrane potential is positive resting potential, then_____

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#Question id: 28286

#Unit 5. Developmental Biology

Which of the following statement is correct about mechanical block to polyspermy?

TLS Online TPP Program

#Question id: 28287

#Unit 5. Developmental Biology

the cortical granules containing protein such as___

a) mucopolysaccharides

b) adhesive glycoproteins

c) hyalin protein