Find the incorrect match
1. Bufo- Toad
2. Rana- Frog
3. Hyla- Tree frog
4. Rana- Common toad

Larva of frog is

(1) Ureotelic

(2) Herbivorous

(3) Carnivorous

(4) Uricotelic

Which of the following is considered as primary egg membrane?

1. Corona radiata in humans

2. Theca layer in humans

3. Vitelline membrane in frog

4. Chorion around the egg of insect

In case of frog, after the completion of second cleavage 

1. Four blastomeres are formed

2. Two micromeres and two megameres are formed

3. Stereoblastula is formed

4. Discoblastula is formed

A blastula with a prominent blastocoel is present in 

1. Nereis 

2. Frog

3. Insect 

4. Pigeon 

Daughter cells formed after second cleavage in frog are termed as

1. Micromeres

2. Megameres

3. Micromeres and megameres

4. Blastomeres

All the following statements are correct about cleavage divisions, but one is wrong. Which one is wrong?

1. The quantity and also the distribution of yolk in cytoplasm determines the type of cleavage

2. ln mammalian ovum the type of cleavage is simple holoblastic

3. ln mammals during cleavage there is a transitory three celled stage

4. Meroblastic cleavage occurs in frog

Which structure is not related with respiration in frog?

1. Lungs

2. Skin

3. Buccal cavity

4. Diaphragm

In the following questions, a statement of assertion (A) is followed by a statement of the reason (R)
A: In the frog's tadpole, if the thyroid gland is removed surgically, metamorphosis stops.

R: TSH is not secreted.

1. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1).

2. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2).

3. If Assertion is a true statement but Reason is false, then mark (3)

4. If both Assertion and Reason are false statements, then mark (4).

After the rain, tadpoles were found swimming in a pond but not the frogs. This is due to-

A. lack of pituitary hormones.
B. lack of sex hormones.
C. lack of thyroxine
D. lack of iodine in water

Select the correct alternative.

1.  A and B

2.  A and C

3.  C and D

4.  A, B, C and D