NEET TEST SERIES 118 BIOLOGY

1. Deposition of uric acid crystals within the synovial joint causes:

(a) Osteoarthritis
(b) Rheumatoid arthritis
(c) Gout
(d) Paralysis

2.   Statement I: Malarial parasite requires two hosts humans and mosquitoes to complete its life cycle.
     Statement II: Haemozoin is a toxic substance produced by the rupturing of liver cells during malarial infection. In the light of the above statements, choose the correct answer from the options given below:

(a) Both Statement I and Statement II are incorrect
(b) Statement I is correct but Statement II is incorrect
(c) Statement I is incorrect but Statement II is correct
(d) Both Statement I and Statement 11 are correct

3. Jurassic period of the mesozoic era was characterised by

(a) Radiation of reptiles and origin of mammal-like reptiles
(b) Dinosaurs become extinct and angiosperms appeared
(c) Flowering plants and first dinosaurs appeared.
(d) Gymnosperms were dominant plants and first birds appeared.

4. In history of biology, human genome project led to the development of:

(a) biotechnology
(b) biomonitoring
(c) bioinformatics
(d) biosystematics

5. Oxygen dissociation curve of haemoglobin is

(a) Sigmoid
(b) Hyperbolic
(c) Linear
(d) Hypobolic

6.     Assertion: Fatigue is inability of muscle to relax.
       Reason: It is due to lactic acid accumulation by repeated contractions. In the light of the above statements, choose the correct answer from the options given below:

(a) Both (A) and (R) are correct but (R) is not the correct explanation of (A)
(b) (A) is correct but (R) is not correct
(c) (A) is not correct but (R) is correct
(d) Both (A) and (R) are correct.

7. Intercostal muscles are found attached with

(a) diaphragm
(b) ribs
(c) pleura
(d) lungs

8. Eustachian lube connects

(a) External ear with middle ear
(b) External ear with internal ear
(c) Middle ear with pharynx
(d) Internal pharynx

9. Match Column-I with Column-ll and select the correct option from the codes given below:

10. Which one of the following is not a second messenger in hormone action?

(a) Calcium
(b) Sodium
(c) cAMP
(d) cGMP

11. A genetically engineered bacteria used for clearing oil spills is:

(a) Escherischia coll
(b) Bacillus subtil is
(c) Agrobacterium tumifaciens
(d) Pseudomonas putida

12. What is true about T-lymphocytes in mammals?

(a) These are produced in thyroid
(b) There are three main types — cytotoxic T-cells, helper T-cells and suppressor T-cells
(c) These originate in lymphoid tissues
(d) They scavenge damaged cells and cellular debris

13. The use of Cannabis products (bhang, ganja, charas, marijuana or hashish) causes

(a) depression of brain activity and feeling of calmness
(b) alters thoughts, perceptions and feelings
(c) suppresses brain function and relieves pain
(d) stimulates the nervous system and increases alterness and activity.

14. Match the column I (various phase of an action potential) with column II (ionic activity associated) and choose the correct option.

15. Carcinoma refers to

(a) benign tumours of the connective tissue
(b) malignant tumours of the connective tissue
(c) malignant tumours of the skin or mucous membrane
(d) malignant tumours of the colon

16.  Statement I: Malignant tumors normally remain confined to their original location, do not spread to other body parts and cause less damage.
       Statement II: Cancer arising from epithelial tissue of internal organs and glands is referred to as sarcoma. In the light of the above statements, choose the correct answer from the options given below:

(a) Both Statement I and Statement II are incorrect
(b) Statement I is correct but Statement II is incorrect
(c) Statement 1 is incorrect but Statement II is correct
(d) Both Statement I and Statement II are correct

17. the number of floating ribs, in the human body, is

(a) 6 pairs
(b) 5 pairs
(c) 3 pairs
(d) 2 pairs

18. Which one of the following statements is correct?

(a) Cro-Magnon man’s fossil has been found in Ethiopia
(b) Homo erectus is the ancestor of man
(c) Neanderthal man is the direct ancestor of Homo sapiens
(d ) Australopithecus is the real ancestor of modern man

19. Lungs are made up of air-filled sacs, the alveoli. They do not collapse even after forceful expiration, because of:

(a) Inspiratory Reserve Volume
(b) Tidal Volume
(c) Expiratory Reserve Volume
(d) Residual Volume

20. The nerve centres which control the body temperature and the urge for eating are contained in:

(a) hypothalamus
(b) pons
(c) cerebellum
(d) thalamus