G10 Bio 3 of 3

At what stage of gametogenesis does the chromosome number get reduced to half?

• Prophase I
• Metaphase I
• Anaphase I
• Telophase I

What is the final outcome of spermatogenesis?

• Formation of four haploid spermatids
• Formation of two haploid spermatids
• Formation of two haploid ova
• Formation of four haploid ova

What is the final outcome of oogenesis?

• Formation of four haploid spermatids
• Formation of two haploid spermatids
• Formation of two haploid ova
• Formation of four haploid ova

What is the process of spore formation called?

• Meiosis
• Mitosis
• Cytokinesis
• Interphase

What is the primary purpose of spore formation?

• Reproduction
• Protection
• Growth
• Regeneration

What is the final outcome of sporogenesis in plants?

• Formation of haploid spores
• Formation of diploid spores
• Formation of haploid gametes
• Formation of diploid gametes

In which structure of the fern plant are spores produced?

• Flowers
• Leaves
• Roots
• Sporangia

What is the function of the sporopollenin layer that surrounds the spores?

• Protection from environmental factors
• Helps in dispersal
• Acts as a food source for germination
• All of the above

Who proposed the Watson-Crick model of DNA?

• James Watson and Francis Crick
• Rosalind Franklin and Maurice Wilkins
• Linus Pauling
• Barbara McClintock

What is the shape of DNA as proposed by the Watson-Crick model?

• Linear
• Circular
• Helical
• Spherical