Biology GK · all questions

Plant Anatomy and Physiology
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Q101

The rate of an enzyme-catalyzed reaction is practically zero at

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Q102

Which of the following gases is released in the process of photosynthesis?

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Q103

The fruit produced from the entire hypanthodium inflorescence is known as

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Q104

The enzymes released from aleurone cells include

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Q105

Which of the following pollutants is known to hamper haemoglobin formation?

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Q106

Which of the following diseases is caused by bacteria?

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Q107

The conversion of nitrate to nitrous oxide (N₂P) and nitrogen gas takes place through the mediation of a variety of soil organisms which is known as

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Q108

According to Lang, all temperatures ranging from 3° to 17° C are effective for hebane if the period of vernalization is

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Q109

The coral island of gulf of Mannar is well known as

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Q110

Late blight of potato first appears mostly in the month of

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Q111

Chlorophyll is porphyrin containing

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Q112

Lake Baikal in the Soviet Union is the oldest and the deepest lake in the world, formed during the

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Q113

In which of the following growth phasesnon-vacuolated cells become mature and multiply?

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Q114

Match List-I with List-II and select the correct answer:

List-I	List-II
a. Androecium	1. Female reproductive organ
b. Gynoecium	2. Male reproductive organ
c. Stamen	3. Unit of androecium
d. Carpel	4. Unit of gynoecium

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Q115

The development of Crucifer type of embryo has been studied first of all in which of the following members of cruciferae ?

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Q116

What is meant by double fertilisation?

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Q117

Consider the following statements regarding sporogenesis and choose the correct answer:
1. Gametes ape always unicellular and microscopic in size
2. The union of similar gametes is called fertilization
3. The zygote formed as a result of fertilization is called zygospore
4. The seed on germination gives rise to a new plant

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Q118

The sporogonium of moss reproduces asexually by

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Q119

Which of the following methods measures net production and is used only in such locations from where food produced is not removed simultaneously?

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Q120

Match List-I (Grassland types of India) with List-II (Climatic conditions) and select the correct answer:

List-I	List-II
a. Phragmites-Saccharum type	1. On paddy tracts and high rainfall belt
b. Deyeuxia-Arundinella type	2. In mixed temperate alpine climate
c. Deschampsia-Deyeuxia type	3. In mixed temperate climate
d. Bothriochloa type	4. On marshy localities

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