External Fertilization

Q. Which of the following is not true about external fertilization?

1. Organisms exhibiting external fertilisation show poor synchrony between the sexes
2. Organisms exhibiting external fertilization release a large number of gametes into the surrounding medium
3. Large number of offspring are produced
4. Offspring are extremely vulnerable to predators

Q.

External fertilization is characterized by sperm fertilizing the egg within the female. True or false?

1. True

2. False

Q.

External fertilization is characterized by sperm fertilizing the egg within the female. True or false?

1. True

2. False

Q.

Which of the following animal lays an unfertilized egg?

1. Rana

2. Pteropus

3. Naja

4. Duck billed platypus

Q. Which of the following does not exhibit internal fertilization?

1. Frog
2. Lizard
3. Cow
4. Crow

Q.

Match the following
$\begin{array}{cc}\text{Column}-I& \text{Column}-II\\ A.\text{Fishes and amphibians}& 1.\text{Fertilization is internal and development is external}\\ B.\text{Reptiles and birds}& 2.\text{Both fertilisation and development is internal}\\ C.\text{Mammals}& 3.\text{Both fertilisation and development is external}\end{array}$

1. A-3, B-1, C-2

2. A-1, B-2, C-3

3. A-3, B-2, C-1

4. A-1, B-3, C-2