Question 1

Consider the following pairs: Plant - Description: I. Cassava - Woody shrub II. Ginger - Herb with pseudostem III. Malabar spinach - Herbaceous climber IV. Mint - Annual shrub V. Papaya - Woody shrub. How many of the above pairs are correctly matched?

Accepted Answer

Cassava is a shrubby perennial plant, not a woody shrub. Ginger is a herb with a pseudostem, which is correct. Malabar spinach is a herbaceous climber, which is also correct. Mint is a perennial herb, not an annual shrub. Papaya is a tree-like herbaceous plant, not a woody shrub. Therefore, only three pairs are correctly matched.

Question 2

It is possible to produce seedless tomato fruits by

Accepted Answer

Seedless tomato fruits can be created by applying hormones such as auxins on the flowers, which stimulate parthenocarpy.

Question 3

Which one of the following is a useful functional association between fungi and the roots of higher plants?

Accepted Answer

Mycorrhiza is a beneficial partnership between fungi and the roots of higher plants that aids in the absorption of nutrients.

Question 4

Which one of the following is the process involved in photosynthesis?

Accepted Answer

In the process of photosynthesis, free energy is transformed into potential energy and then stored.

Question 5

When the bark of a tree is removed in a circular fashion all around near its base, it gradually dries up and dies because?

Accepted Answer

Removing the bark of a tree in a circular manner near its base causes it to dry up and die because the roots are deprived of energy. This prevents water from the soil from reaching the aerial parts, leading to the tree's demise. The phloem layer of tissue beneath the bark is vital for transporting nutrients from the leaves to the roots.

Botany - Plant Physiology — UPSC Previous Year Questions

Consider the following pairs: Plant - Description: I. Cassava - Woody shrub II. Ginger - Herb with pseudostem III. Malabar spinach - Herbaceous climber IV. Mint - Annual shrub V. Papaya - Woody shrub. How many of the above pairs are correctly matched?

Year-wise Distribution

Sample Questions

Botany - Plant Physiology — UPSC Previous Year Questions

Consider the following pairs: Plant - Description: I. Cassava - Woody shrub II. Ginger - Herb with pseudostem III. Malabar spinach - Herbaceous climber IV. Mint - Annual shrub V. Papaya - Woody shrub. How many of the above pairs are correctly matched?

Year-wise Distribution

Sample Questions