Differences between Sperms and Eggs

Q.

For the metamorphosis of tadpoles which of the following elements must be available in the water?

1. Chlorine

2. Carbon

3. Sulphur

4. Iodine

Q. What is difference between embryo and zygote?

Q.

The egg cell or the female gamete lies within

1. pollen

2. stamen

3. seed

4. embryo sac

Q.

name all haploid cells present in an unfertilised mature embryo sac of a flowering plants

Q.

In human females, both ovaries release one egg each month.

1. True

2. False

Q.

Spermatogenesis occurs at ________ .

1. 39 degree celsius

2. 37 degree celsius

3. 35 degree celsius

4. 40 degree celsius

Q. What is menstrual cycle? Explain the changes that occur during the menstrual cycle in an adolescent girl.

Q. Briefly explain metamorphosis in frogs. [4 marks]

Q. A tadpole develops into an adult frog by the process of _______.

1. fertilisation
2. metamorphosis
3. fission
4. budding

Q. Consider the following statements:

Statement 1: A pair of Ovaries are present in females in case of human beings.
Statement 2: Ovary produces ovum each month which leads to menstrual cycle in human beings.

1. Only Statement 1 is correct
2. Only Statement 2 is correct
3. Both are correct
4. None are correct