Tuesday 24 April 2018

AIPMT/ NEET CLASS 12 - BIOLOGY MCQs (#eduvictors)(#cbsenotes)


AIPMT/ NEET CLASS 12 - BIOLOGY MCQs (#eduvictors)(#cbsenotes)

1. Unicellular algae, diatoms and protozoans are the members of 

(a) Monera
(b) Fungi
(c) Protista
(d) Plantae

2. Which of the following is also known as ‘amphibian of the plant kingdom’?

(a) Algae
(b) Bryophytes
(c) Pteridophytes
(d) Gymnosperms

3. Yeast is not included in protozoas in fungi because

(a) chlorophyll is absent
(b) it has eukaryotic organisation
(c) cell wall is made up of cellulose and reserve food material as starch
(d) some fungal hyphae grow in such a way that they give the appearance of pseudomycelium

4. An association between roots of higher plants and fungi is called

(a) lichen
(b) fern
(c) mycorrhiza
(d) None of these

5. The arrangement of vascular bundles in dicot roots are

(a) conjoint
(b) collateral
(c) radial
(d) bicollateral

6. An inflorescence with a single central achlamydeous female flower surrounded by a member of achlamydeous male flower is

(a) cyathium
(b) hypanthodium
(c) spadix
(d) verticillaster

7. Cladode is a modification of

(a) stem
(b) root
(c) leaf
(d) petiole

8. Movement of water through semipermeable membrane produces

(a) wall pressure
(b) turgor pressure
(c) suction pressure
(d) osmotic pressure

9. Rate of transpiration is measured by which the following apparatus?

(a) Porometer
(b) Respirometer
(c) Ganong’s potometer
(d) Auxanometer

10. Which of the following in the site for glycolysis or EMP?

(a) Mitochondria
(b) Cytoplasm
(c) Nucleus
(d) Chloroplast

11. In C4 plants, chloroplast also occurs in

(a) epidermis
(b) guard cells
(c) spongy parenchyma
(d) bundle sheath cells

12. Quantasomes occur on the surface of

(a) cristae
(b) thylakoids
(c) plasmalemma
(d) nuclear envelope

13. Which is the direction of food through the phloem?

(a) From below upward
(b) From tip to bottom
(c) From leaves to roots
(d) From roots to stem

14. Plant cooling is due to

(a) assimilation
(c) photorespiration
(b) guttation
(d) transpiration

15. In short day plants, flowering is inhibited by interruption of dark by

(a) white or red light
(b) far-red light
(c) red light followed by far-red light
(d) far red light, then red light and again by far red light

1: (c) Protista
2: (b) Bryophytes
3: (c) cell wall is made up of cellulose and reserve food material as starch
4: (c) mycorrhiza
5: (c) radial
6: (a) cyathium
7: (a) stem
8: (d) osmotic pressure
9: (a) Porometer
10: (b) Cytoplasm
11: (d) bundle sheath cells
12: (b) thylakoids
13: (c) From leaves to roots
14: (d) transpiration
15: (a) white or red light

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