Download App

Human Reproduction — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYHuman Reproduction5 Marks
Question
Answer the following questions:
How is ‘oogenesis’ markedly different from ‘spermatogenesis’ with respect to the growth till puberty in the humans?
✓

Answer

Oogenesis is initiated at the embryonic stage whereas spermatogenesis begins only at puberty.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "5 Marks Questions" from Human Reproduction→Human Reproduction — all question types→BIOLOGY STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

What is cancer? How is a cancer cell different from normal cell? How do normal cells attain cancerous nature?
→
  1. How is artificial hybridisation considered a crop improvement programme?
  2. Explain the process of artificial hybridisation, if
  1. Female parent bears bisexual flowers.
  2. Female parent bears unisexual flowers.
→
Answer the following questions:
Why is banana called a parthenocarpic fruit? Would you call banana a true fruit? Give reason in support of your answer.
→
Placenta acts as an endocrine gland. Explain.
→
What do you mean by ecological pyramid? Describe the pyramid of biomass in grassland with the help of diagram.
→
Describe the nature of inheritance of the ABO type of blood group in humans. In which ways does this inheritance differ from that of height of the plant in garden pea?
→
What is mycorrhiza? Write its main advantages.
→
Drugs and alcohol give short-term 'high' and long-term ‘damages’, Discuss.
→
The biology teacher asked her students to verify the experiment on transformation principle in bacteria to establish DNA as genetic material. The class was divided into two groups. The teacher asked them to submit the reports. Group 2 did not use mouse and did not repeat Griffith's experiment. The teacher praised them.
  1. Which experiment did they perform?
  2. Explain the experiment in brief.
  3. Who and when performed the transformation principle experiment?
  4. What values did students of group 2 exhibit?
→
"Analysis of age-pyramids for human population can provide important inputs for long-term planning strategies." Explain.
→