Botany Multiple Choice Questions and Online Test No.41

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There will be 25 multiple choice question in the test.
Answer of the questions will change randomly each time you start this test.
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Test Instructions:-
Test NameLecturer Botany
SubjectBotany Test 41
Test TypeMCQs
Total Questions25
Total Time20 Minutes
Total Marks100

You have 20 minutes to pass to the quiz.

Lecturer Botany Online Test No. 41

1 / 25

Paratonic movements are due to ___ causes:

2 / 25

The growing tip of young stem moves in a zig-zag fashion due to alternate changes in growth on opposite side of the apex. This mode of growth is called___.

3 / 25

The tactic movement may be ___if it is away from the stimulus:

4 / 25

Fertilization in the bryophytes is an example of____ movement:

5 / 25

___ movement is of differential changes in turgor and size of cells as a result of gain or loss of water:

6 / 25

These are the movements of an entire cell or organisms i.e. locomotion due to internal stimulus:

7 / 25

When turgor pressure on the ___of pulvinus increases the leaves rise and become horizontal:

8 / 25

The best example of positive tactic movement is the passive movement of Chloroplast due to___:

9 / 25

In ___ movement, show by leaves, petals etc. The upper surface of leaf in bud condition shows more growth as compared with the lower surface. This leads to opening of buds.

10 / 25

Autonomic movement are spontaneous movements due to___ causes:

11 / 25

In __ plants stomata are on lower surface of leaves and located in depression:

12 / 25

Pulvinus, is swollen portion of the petiole composed of __ cells with relatively large inter cellular spaces and central strand of vascular tissues:

13 / 25

The movement in response to stimulus of chemicals is called ___ movement:

14 / 25

The plants that grow in shortage supply of water are termed as____:

15 / 25

____ is the movement in curvature of whole organ towards or away from stimuli such as light, gravity and touch.

16 / 25

The tactic movement may be ____if it is towards the stimulus:

17 / 25

The word tropic is derived from Greek word___ meaning ‘turn':

18 / 25

Autonomic movements are of ____types:

19 / 25

___ is a movement in response to stimulus of light:

20 / 25

When turgor pressure decreases on the ____of pulvinus, the leaves lower and go to "sleeping" position:

21 / 25

Growth movements of____ types:

22 / 25

The rapid loss of turgor by the cells in pulvinus at the bases of each leaflet is caused by the movement of___ion:

23 / 25

If growth in the lower surface of the leaf in bud condition is more than that of the upper surface then the bud will remain closed. This is called___.

24 / 25

Rapid movements of leaflets in "touch-me-not” plant and sleep movement of the plants fall under __category of movements:

25 / 25

In vernalizations temperature around __⁰C is found to be very effective:

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