[MCQ]Biology MCQs For WBCS Exam||SET 29

 

 Biology MCQs For WBCS Exam

WBCS BIOLOGY MCQ Q1. 

The exchange of materials between blood and interstitial fluid occurs only at the

(a) Veins

(b) Capillaries

(c) Arteries

(d) Arterioles

Ans. (b)

WBCS BIOLOGY MCQ Q2. 

About how much blood is in the circulatory system of an average person?

(a) 1 liter

(b) 2 liters

(c) 5 liters

(d) 10 liters

Ans. (c)

WBCS BIOLOGY MCQ Q3. 

The proteins present in blood and necessary for developing immunity to diseases are

(a) Albumins and globulins

(b) ? and ? globulins

(c) ? globulins only

(d) Albumins

Ans. (c)

WBCS BIOLOGY MCQ Q4. 

Lack of ant diuretic hormone (ADH) causes water loss from the body by

(a) Increased water loss through expiration

(b) Excessive urination

(c) By combination of all the above factors

(d) increased sweating

Ans. (b)

WBCS BIOLOGY MCQ Q5. 

Both erythrocytes and leucocytes are formed in the

(a) Bone marrow

(c) Arterial walls

(b) Thymus

(d) Lymph nodes

Ans. (a)

WBCS BIOLOGY MCQ Q6. 

Pure line selection results in retention of desired characters

(a) for one generation

(b) for two generations

(c) for several generation

(d) permanently

Ans. (c)

WBCS BIOLOGY MCQ Q7. 

Which of the following have equal number of chromosomes?

(a) Klinefelter‟s syndrome and Down‟s syndrome

(b) Klinefelter‟s and Turner‟s syndrome

(c) Turner‟s syndrome and Down‟s syndrome

(d) Turner‟s syndrome and gynandromorphy

Ans. (a)

WBCS BIOLOGY MCQ Q8. 

Rh factor derives its name from

(a) monkey

(b) ape

(c) rhino

(d) human care

Ans. (a)

WBCS BIOLOGY MCQ Q9. 

The DNA is the genetic material was proved conclusively be

(a) J.D. Watson

(b) Hershey and Chase

(c) Alfred Griffith

(d) Boveri and Sutton

Ans. (b)

WBCS BIOLOGY MCQ Q10. 

Watson and Crick composed the model of DNA structure in

(a) 1953

(b) 1943

(c) 1955

(d) 1963

Ans. (a)

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