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UPSC Exam  >  UPSC Tests  >  Test: Parts of the Gynoecium, Seed, Causes of Dormancy, Fruit, Transpiration, Wilting - UPSC MCQ

Test: Parts of the Gynoecium, Seed, Causes of Dormancy, Fruit, Transpiration, Wilting - UPSC MCQ


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10 Questions MCQ Test - Test: Parts of the Gynoecium, Seed, Causes of Dormancy, Fruit, Transpiration, Wilting

Test: Parts of the Gynoecium, Seed, Causes of Dormancy, Fruit, Transpiration, Wilting for UPSC 2024 is part of UPSC preparation. The Test: Parts of the Gynoecium, Seed, Causes of Dormancy, Fruit, Transpiration, Wilting questions and answers have been prepared according to the UPSC exam syllabus.The Test: Parts of the Gynoecium, Seed, Causes of Dormancy, Fruit, Transpiration, Wilting MCQs are made for UPSC 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Parts of the Gynoecium, Seed, Causes of Dormancy, Fruit, Transpiration, Wilting below.
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Test: Parts of the Gynoecium, Seed, Causes of Dormancy, Fruit, Transpiration, Wilting - Question 1
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What is the name for the uppermost part of the gynoecium that serves as a device to trap pollen?

Detailed Solution for Test: Parts of the Gynoecium, Seed, Causes of Dormancy, Fruit, Transpiration, Wilting - Question 1
The uppermost part of the gynoecium is called the stigma, and its primary function is to trap pollen for fertilization.
Test: Parts of the Gynoecium, Seed, Causes of Dormancy, Fruit, Transpiration, Wilting - Question 2
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Which type of pollination involves the transfer of pollen between flowers on two different plants?

Detailed Solution for Test: Parts of the Gynoecium, Seed, Causes of Dormancy, Fruit, Transpiration, Wilting - Question 2
Xenogamy is the type of pollination that involves the transfer of pollen between flowers on two different plants.
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Test: Parts of the Gynoecium, Seed, Causes of Dormancy, Fruit, Transpiration, Wilting - Question 3
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What is the primary function of the ovary in a flower's gynoecium?

Detailed Solution for Test: Parts of the Gynoecium, Seed, Causes of Dormancy, Fruit, Transpiration, Wilting - Question 3
The primary function of the ovary in the gynoecium of a flower is to develop into a fruit after fertilization. The ovary contains ovules, which, when fertilized, turn into seeds, and the ovary itself matures into a fruit.
Test: Parts of the Gynoecium, Seed, Causes of Dormancy, Fruit, Transpiration, Wilting - Question 4
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What is the nutritive tissue found in a seed?
Detailed Solution for Test: Parts of the Gynoecium, Seed, Causes of Dormancy, Fruit, Transpiration, Wilting - Question 4
The nutritive tissue found in a seed is called the endosperm. It provides nourishment to the developing embryo.
Test: Parts of the Gynoecium, Seed, Causes of Dormancy, Fruit, Transpiration, Wilting - Question 5
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What is the primary advantage of transpiration in plants?
Detailed Solution for Test: Parts of the Gynoecium, Seed, Causes of Dormancy, Fruit, Transpiration, Wilting - Question 5
The primary advantage of transpiration in plants is the removal of excess water, which helps maintain proper water balance in the plant.
Test: Parts of the Gynoecium, Seed, Causes of Dormancy, Fruit, Transpiration, Wilting - Question 6
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Which type of transpiration mainly occurs through stomata in plant leaves?
Detailed Solution for Test: Parts of the Gynoecium, Seed, Causes of Dormancy, Fruit, Transpiration, Wilting - Question 6
Stomatal transpiration is the type of transpiration that mainly occurs through stomata in plant leaves. Stomata are microscopic pores guarded by two kidney-shaped cells called guard cells.
Test: Parts of the Gynoecium, Seed, Causes of Dormancy, Fruit, Transpiration, Wilting - Question 7
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What is the term for the loss of excess water in the form of vapor through the aerial parts of a plant?
Detailed Solution for Test: Parts of the Gynoecium, Seed, Causes of Dormancy, Fruit, Transpiration, Wilting - Question 7
The loss of excess water in the form of vapor through the aerial parts of a plant is called transpiration.
Test: Parts of the Gynoecium, Seed, Causes of Dormancy, Fruit, Transpiration, Wilting - Question 8
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In photosynthesis, what is the primary source of hydrogen used to reduce carbon dioxide?
Detailed Solution for Test: Parts of the Gynoecium, Seed, Causes of Dormancy, Fruit, Transpiration, Wilting - Question 8
In photosynthesis, the primary source of hydrogen used to reduce carbon dioxide is water. This process produces oxygen as a by-product.
Test: Parts of the Gynoecium, Seed, Causes of Dormancy, Fruit, Transpiration, Wilting - Question 9
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What is the name for the matured and ripened ovary of a flower after fertilization?
Detailed Solution for Test: Parts of the Gynoecium, Seed, Causes of Dormancy, Fruit, Transpiration, Wilting - Question 9
The matured and ripened ovary of a flower after fertilization is called the fruit.
Test: Parts of the Gynoecium, Seed, Causes of Dormancy, Fruit, Transpiration, Wilting - Question 10
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What type of wilting occurs when there is a water deficit in the aerial parts of a plant due to high rates of transpiration?
Detailed Solution for Test: Parts of the Gynoecium, Seed, Causes of Dormancy, Fruit, Transpiration, Wilting - Question 10
Temporary wilting occurs when there is a water deficit in the aerial parts of a plant due to high rates of transpiration. It can be temporarily alleviated by watering the plant.
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