Science Practice Quiz 198

Q1.In which of the following plants are seeds dispersed when the fruits burst with sudden jerks?

A. Maple B. Coconut C. Balsam D. Aak (Madar)

Q2.What would be the primary consequence if all seeds of a plant were to fall and grow at the same place without dispersal?

A. Increased growth rate due to proximity. B. Severe competition for sunlight, water, minerals, and space. C. Development of stronger root systems due to shared nutrients. D. Reduced need for space as they grow together.

Q3.What are the two main modes of reproduction observed in plants?

A. Asexual and sexual B. Budding and fragmentation C. Spore formation and vegetative propagation D. Pollination and fertilisation

Q4.Which of the following is NOT a method of asexual reproduction in plants?

A. Fragmentation B. Budding C. Spore formation D. Fertilisation

Q5.What is the defining characteristic of sexual reproduction in plants?

A. Production of new plants from vegetative parts B. Transfer of pollen grains C. Fusion of male and female gametes D. Formation of spores

Q6.Which part of a plant is considered its reproductive part?

A. Root B. Stem C. Leaf D. Flower

Q7.Where are the male gametes found in a plant?

A. Inside the ovule B. Inside the stigma C. Inside the pollen grains D. Inside the ovary

Q8.What is the process of transfer of pollen grains from the anther of one flower to the stigma of the same or another flower called?

A. Fertilisation B. Germination C. Pollination D. Dispersal

Q9.In which type of pollination are pollen grains transferred from the anther to the stigma of the same flower?

A. Cross-pollination B. Self-pollination C. Wind pollination D. Insect pollination

Q10.What is the fusion of male and female gametes known as?

A. Pollination B. Germination C. Fertilisation D. Budding

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Science Practice Quiz 198