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NEET Biology Solved Question Paper 2010

Multiple Choice Questions

41.

The given figure shows L.S of the seed of maize. What do A, B, C and D represent?

A : endosperm, B : scutellum, C : plumule, D : coleoptile
A : scutellum, B : pericarp, C : radicle, D : coleoptile
A : endosperm, B : scutellum, C : radicle, D : coleorrhiza
A : scutellum, B : pericarp, C : plumule, D : coleorrhiza

42.

Select the correct statement.

Acetobacter aceti produces citric acid
Saccharomyces cerevisiae is used as clot buster
Penicillium notatum restrict the growth of Staphylococci
Methanogens are found in aerobic conditions

43.
Which of the following diseases is also called Christmas disease?

Sickle-cell anaemia

Haemoglobinuria

Myocardial infarction

Haemophilia- B

Haemophilia- B

Haemophilia B is due to deficiency of factor IX. Also known as Christmas factor. The patient may experience prolonged bleeding following any injury or wound, and in severe cases there is spontaneous bleeding into muscles and joints.

Sickle cell anemia is an inherited form of anemia. It is a condition in which there are not enough healthy red blood cells to carry adequate oxygen throughout your body.

Haemoglobinuria is a condition in which the oxygen transport protein hemoglobin is found in abnormally high concentrations in the urine.

Myocardial infarction or heart attack occurs when blood flow decreases or stops to a part of the heart, causing damage to the heart muscle.

44.

Which of the following is correct?

All fungi are filamentous.
Transfer of DNA from one bacteria to another bacteria cannot take place
Virus cannot have both DNA and RNA
Protists reproduce asexually only

45.

CD-4 receptor is associated with

AIDS
Cancer
Malaria
Pneumonia

46.

What do A, B, C and D represent?

A- Infundibulum; B- Fertilization; C- Myometrium; D- Morula
A- Infundibulum; B- Fertilization; C- Endometrium; D- Blastocyst
A- Isthmus; B- Fertilization; C- Myometrium; D- Blastocyst
A- Isthmus; B- Fertilization; C- Endometrium; D- Morula

47.

Which animal has the longest gestation period?

Shark
Walrus
Elephant
Dog

48.

What is a plasmid?

Bacterial, linear, dsDNA
Extrachromosomal linear RNA
Extrachromosomal circular dsDNA
Autonomously replicating circular RNA

49.

The concept of chemical evolution is based on

interaction of water, air and clay under intense heat
effect of solar radiation on chemicals
possible origin of life by combination of chemicals under suitable environmental conditions
crystallization of chemicals