NEET UG Botany Mock Test 5


45 Questions MCQ Test NEET Mock Test Series & Past Year Papers | NEET UG Botany Mock Test 5


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QUESTION: 1

In mitosis, centromere divides during

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QUESTION: 2

In meiosis, chromosomes replicate during

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QUESTION: 3

Histone protein synthesis occurs during

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QUESTION: 4
Which of the following can fix atmospheric nitrogen?
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QUESTION: 5

Narcotic and soothing properties of tobacco are due to

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QUESTION: 6
Which of the following is the most important cereal of temperate region?
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QUESTION: 7
The drug plant Aconitum napellus belongs to the family
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QUESTION: 8
The pyramid of energy is always
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QUESTION: 9
Zooplanktonic forms are
Solution: Primary consumers, such as zooplankton (animal plankton) like dinoflagellates, heliozoans and copepods, are formed near the surface of the water
They are the plant eaters (herbivores) and, therefore, called as primary consumers
QUESTION: 10
When the number of organisms at successive levels are plotted, they give the shape of a pyramid. This is called the pyramid of
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QUESTION: 11
Bicarpellary gynaecium with oblique ovary occurs in
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QUESTION: 12
Codes codes for mRNAs and proteins are
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QUESTION: 13
Which of the folloing initiates transcription m-RNA on DNA template ?
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QUESTION: 14
The transforming principle of pneumococcus as found out by Avery, Macheod and Mc Carty was
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QUESTION: 15
Resin duct of a gymnospermous stem is an example of
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QUESTION: 16
Ratio 9:3:3:1 is due to
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QUESTION: 17
Sexual reproduction brings about
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QUESTION: 18
The proteins are synthesized at
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QUESTION: 19
Mohl's half experiment proves that during photosynthesis
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QUESTION: 20
Direction of conduction of food through pholem is
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QUESTION: 21
Phototropic and geotropic movements are linked to
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QUESTION: 22
Seedless water-melons are obtained by
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QUESTION: 23
Which of the following is grouped under phanerogams ?
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QUESTION: 24
A very efficient converter of solar energy with net productivity of 2-4 kg/m₂ or more is the crop of
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QUESTION: 25
Ethylene gas is used for
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QUESTION: 26
Nitrogen fixation occurs in
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QUESTION: 27
Scientific names were given to the organisms, because
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QUESTION: 28
In which one of the following pathogens do the cells of promycelium after the germination of teleutospore produce infection hyphae instead of basidiospores?
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QUESTION: 29
Aerenchyma occurs in
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QUESTION: 30
The atmospheric pollutant, which is not produced by automobile exhaust is
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QUESTION: 31
A pome fruit is said to be false because
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QUESTION: 32
National Environmental Planning Engineering Organisation at Nagpur is
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QUESTION: 33
Male gametophyte of angiosperms/monocots is
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QUESTION: 34
Enzyme helping in oxidative decarboxylation of pyruvic acid is
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QUESTION: 35
The plants bearing both antheridia and archegonia are said to be
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QUESTION: 36
Complete oxidation of one gram mol. of glucose gives rise to
Solution: Yes option B is correct actually that is 686 kcal while convert to cal it become 686000cal.
QUESTION: 37
Four long and two short stamens are found in-
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QUESTION: 38
Electron transport requires
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QUESTION: 39
In guard cells when sugar is converted into starch, the stomatal pore
Solution: During day time in the presence of light starch in guard cells is metabolized into phosphoenolpyruvate and later converted into malic Acid which dissociate and a Malate and protons protons from gaurd cell or exchange with potassium ions in the epidermis held by Proton K + Ion exchange pump this process requires ATP and is an active process in guard cells K + is balanced by Marriott and and also by the intake of chloride ions increase in the concentration of potassium and other ions result in the entry of water into card self from surrounding epidermal cell as a result target pressure of guard cell increases and leads to the opening of stomata during night seo2 is not used for photosynthesis also start is not split up into phosphoenolpyruvate it remains in Earth this what's the entry of K + ions into guard cells as a result of water concentration of guard cells decreases and water move out of the guard cell as a result guard cell becomes flaccid and tomato becomes closed.
QUESTION: 40
In Maize, the fibrous roots develop from
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QUESTION: 41
Plants of tropics bear
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QUESTION: 42
Guttation occurs only if the plant is kept in
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QUESTION: 43
Major nitrogen fixation is carried out by
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QUESTION: 44
Transpiration differ from evaporation in
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QUESTION: 45
In photosynthesis
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