NEET Biology – Page 2

1. RQ of Glucose in aerobic respiration-
1) 12 2) 1 3) .1 4) 6

2. 1/2 Glucose shows how much RQ value in aerobic respiration-
1) 6 2) .1 3) .5 4) 1

3. If the no. of oxygens and carbons in a substrate that participates in aerobic respiration are same its RQ value is-

4. Evolution of CO2 is more than the intake of O2 for the following substrate
1) Glucose 2) Organic acid
3) Sucrose 4) Fats

5. Assertion (A): Fats require more Oxygen for complete oxidation.
Reason (R): The proportion of Oxygen to carbon in fats is less.
1) (A) and (R) right. (R) explains (A).
2) (A) and (R) right. (R) do not explains (A)
3) (A) right. (R) false.
4) (A) false. (R) right

6. Match the following chemical reactions given in List I with the products formed given in List II.
List I List II
I. First phosphorylation (A) Fructose-6-Phosphate
II. First isomerisation (B) 1, 3-bisphosphoglyceric acid
III. First dephosphorylation (C) Glucose-6-Phosphate
IV. First biological oxidation (D) 3-Phosphoglyceric acid
(E) 3-Phosphoglyceraldehyde

7. Gateway of e- transport is-
1) complex V 2) complex II
3) complex I 4) complex III

8. One of the following is facultative anaerobic-
1) Hydrogenomonas 2) Clostridium botulinum
3) Yeast 4) Azotobacter

9. One of following dies when exposed to aerobic conditions-
1) Clostridiym botulinum 2) Azotobacter
3) Yeast

10. The term Fermentation was coined by
1) Gay Lussac 2) Louis Pasteur
3) Buchner 4) Flemming

11. The production of Ethyl alcohol and CO2 in the absence of Oxygen from hexose sugars through the micro organisms was first reported by
1) Gay Lussac 2) Louis Pasteur
3) Buchner 4) Flemming

12. The two substrates having the same R.Q. are-
1) Tartaric acid, Malic acid
2) Oleic acid, Tartaric acid
3) Triolein, Tripalmition
4) Proteins, Oleic acid

ANSWERS:
1) 2 2) 4 3) 1 4) 2 5) 1 6) 3 7) 3 8) 3 9) 1 10) 2 11) 1 12) 3

Following are model questions from Ecology and Genetics topics of Biological Sciences. These model questions will be useful for practice for EAMCET Medical and NEET – UG examinations.

1. Assertion (A): Exchange of gases in some hydrophytes takes place directly through the thin cell walls by the process of diffusion.
Reason (R): Stomata are totally absent in submerged hydrophytes like Salvinia and Ceratophyllum.

1) (A) and (R) are correct. (R) explains (A).
2) (A) and (R) are correct. (R) do not explains (A).
3) (A) is correct. (R) is false.
4) (A) is false. (R) is correct.

2. Select (one plant from each list) two plants belonging to the same habitat.
List – I List – II
A. Utricularia M. Ranunculus B. Wolffia N. Typha
C. Sagittaria O. Hydrilla D. Cyperus P. Vallisnaria E. Potamogeton Q. Salvinia

The correct pairs are:

1) A-N, B-Q, C-O, D-P, E-M
2) A-O, B-Q, C-M, D-N, E-P
3) A-P, B-M, C-O, D-Q, E-N
4) A-Q, B-N, C-P, D-M, E-O

3. Arrange the following statements or definitions in a sequence which are related to Warming, Reiter, Odum, Tansley.

A. The study of plants and animals in reciprocal relationship with their environment is called Ecology.
B. Structural and functional unit of nature.
C. The study of structure and function of nature is Ecology.
D. The study of organisms in relation to their environment is called Ecology.

1) C D B A 2) A D C B 3) B D C A 4) D A C B

4. Community is a group of organisms of –
1) different species of same characters
2) same species of different organisms living in same area
3) Different species occuring in the same area
4) Different characters of different species occuring in different areas

5. Assertion (A): Autogamy and Geitonogamy are not possible in submerged, fixed hydrophyte with long, ribbon shaped leaves.
Reason: (R): Sporophytes and gametophytes are dioecious in it.

1) (A) and (R) are correct. (R) explains (A).
2) (A) and (R) are correct. (R) do not explains (A).
3) (A) is correct. (R) is false.
4) (A) is false. (R) is correct.

6. One of the following character is not associated with rooted hydrophyte with floating simple largest leaves.
1) Long petioles 2) Epistomatic 3) Aerenchyma in leaves only 4) The stem is rhizome or reduced

7. Arrange the following hydrophytes in ascending order basing on the efficiency of root system.
A. Hydrilla B. Sagittaria C. Plant with dissected leaves D. Pistia E. Salvinia
1) EACDB 2) CAEBD 3) BAECD 4) CEADB

8. A hydrophyte with monarch condition do not bears the following character.
1) Green roots 2) Pulvinus petiole 3) Cuticle on the stem 4) Adventitious roots

9. Match the following
List – I : List – II

A. Xylem cavity I. A plant that shows superficial placentation
B. Submerged II. Hydrophyte with dissected leaves long, linear leaves
C. Rhizome III. Hydrilla stem
D. Non functional IV. Hydrophyte with stomata rosette leaves
V. Limnophila

Key: 1-3; 2-2; 3-4; 4-3; 5-1; 6-3; 7-4; 8-3; 9-2

NEET-UG Biology Model Questions with Answers

EAMCET Medical – NEET UG Biology Model Questions