[MCQ]Biology MCQs For WBCS Exam||SET 12

 

 Biology MCQs For WBCS Exam

 

WBCS BIOLOGY MCQ Q1. 

External protective tissues of plants are

(a) Cortex and epidermis

(b) Pericycle and cortex

(c) Epidermis and cork

(d) Pericycle and cork

Ans. (c)

WBCS BIOLOGY MCQ Q2. 

Bulliform cells are present

(a) In upper epidermis of dicot leaves

(b) In lower epidermis of monocot leaves

(c) In upper epidermis of monocot leaves

(d) In dicot stem

Ans. (c)

WBCS BIOLOGY MCQ Q3. 

The youngest layer of secondaryh1oem in woody dicot stem is located

(a) Just outside the vascular cambium

(b) Just on the inner side of cambium

(c) Between periderm and primary cortex

(d) Just outside pith

Ans. (a)

WBCS BIOLOGY MCQ Q4. 

The wall of cork cells is mostly impregnated with

(a) Cutin

(b) Suberin

(c) Lignin

(d) Hemicellulose

Ans. (b)

WBCS BIOLOGY MCQ Q5. 

Cork cells are

(a) Photosynthetic

(b) Elongated and participate in movement

(c) Meristematic

(d) Dead

Ans. (d)

WBCS BIOLOGY MCQ Q6.

Dendrochronology is the study of

(a) Height of a tree

(b) Age of a tree by counting the number of annual rings in the main stem

(c) Diameter of a tree

(d) Age of tree by counting the number of leaves in the main stem

Ans. (b)

WBCS BIOLOGY MCQ Q7. 

The best method to determine the age of tree is

(a) To measure its diameter

(b) To count the number of leaves

(c) To count the number of annual rings in the main stem at the base

(d) To measure its height

Ans. (c)

WBCS BIOLOGY MCQ Q8. 

If the sign was nailed to the side of a tree 5‟ above the ground in 1997 how high would the sign be

in 2007 if the tree grew 4” taller each year?

(a) 5‟ high

(b) 8‟ high

(c) 4‟ 8”

(d) 9‟4”

Ans. (a)

WBCS BIOLOGY MCQ Q9. 

Safranin stains which element of the tissues?

(a) Starch elements

(b) Lignified elements

(c) Bast

(d) Protein elements

Ans. (b)

WBCS BIOLOGY MCQ Q10. 

Which types of tissue form the thin surface for the gas exchange in the lungs?

(a) Epithelial

(b) Connective

(c) Nervous

(d) Muscle

Ans. (a)

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