Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.

NEET Biology Solved Question Paper 2005

Multiple Choice Questions

31.

Which one of the following pairs of geographical areas show maximum biodiversity in our country?

Sunderbans and Rann of Kutch
Eastern Ghats and West Bengal
Eastern Himalaya and Western Ghats
Kerala and Punjab

32.

Genetic diversity in agricultural crops is threatened by

introduction of high yielding varieties
intensive use of fertilizers
extensive intercropping
intensive use of biopesticides

33.

One of the ex situ conservation methods for endangered species is

wildlife sanctuaries
biosphere reserves
cryopreservation
national parks

34.
A young drug addict used to show symptoms of depressed brain activity, feeling of calmness, relaxation and drowsiness. Possibly he was taking

amphetamine

marijuna

pethidine

valium

valium

Valium or diazepam comes under a class of drugs called benzodiazepines. It affects chemicals in the brain that may become unbalanced and cause anxiety, seizures, and muscle spasms. It is used to relieve anxiety, nervousness, and tension associated with anxiety disorders. It is also used to treat certain types of seizure disorders and muscle spasms.

Amphetamines are stimulant drugs, ie, they speed up the messgaes travelling between brain and the body.

Marijuna refers to dried leaves, flowers, stems and seeds from the plant Cannabis sativa or Cannabis indica. It is also called weed, herb, pot, grass, bud, ganja etc.

Pethidine refers to synthetic compound which is mainly used as pain killing drug, especially for women in labour.

35.

Antigen binding site in an antibody is found between

two light chains
two heavy chains
one heavy and one light chain
either between two light chains or between one heavy and one light chain depending upon the nature of antigen

36.

Which one of the following events is correctly matched with the time period in a normal menstrual cycle?

Release of egg: 5^th day
Endometrium regenerates: 5 - 10 days
Endometrium secretes nutrients for implantation : 11 - 18 days
Rise in progesterone level : 1 - 15 days

37.

A tumor inducing plasmid widely used in the production of transgenic plants is that of

Escherichia coli
Bacillus thuringiensis
Staphylococcus aureus
Agrobacterium tumefaciens

38.

Which one of the following statement pertaining to pollutants is correct?

DDT is a non-biodegradable pollutant
Excess fluoride in drinking water causes osteoporosis
Excess cadmium in drinking water causes black foot disease
Methylmercury in water may cause "Itai ltai" disease

39.

The "cri-du-chat" syndrome is caused by change in chromosome structure involving

deletion
duplication
inversion
translocation

40.

Grain colour in wheat is determined by three pairs of polygenes. Following the cross AABBCC (dark colour) x aabbcc (light colour), in F₂ generation what proportion of the progeny is likely to resemble either parent?