- 1(current)
Q. No.Choose the incorrect statement from the following:
| 1. | in birds and mammals, internal fertilisation takes place |
| 2. | colostrum contains antibodies and nutrients |
| 3. | polyspermy is prevented by the chemical changes in the egg surface |
| 4. | In the human female, implantation occurs almost seven days after fertilisation |
Subtopic: Â Fertilization |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Acrosomal reaction of the sperm occurs due to
| 1. | its contact with zona pellucida of the ova |
| 2. | reactions within the uterine environment of the female |
| 3. | reactions within the epididymal environment of the male |
| 4. | androgens produced in the uterus |
Subtopic: Â Fertilization |
 91%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
- 1(current)
Q. No.
© 2024 GoodEd Technologies Pvt. Ltd.