31.

The shorter and longer arms of a submetacentric chromosome are referred to as

• p-arm and q-arm respectively

• q-arm and p-arm respectively

• m-arm and n-arm respectively

• s-arm and l-arm respectively

Match the Column-I with Column-II

Select the correct option.

• A - (iv); B - (i); C - (ii); D - (v)

• A - (ii); B - (i); C - (v); D - (iii)

• A - (ii); B - (iii); C - (v); D - (iv)

• A - (iv); B - (i); C - (ii); D - (iii)

Select the correctly written scientific name of Mango which was first described by Carolus Linnaeus

• Mangifera indica Linn.

• Mangifera indica

• Mangifera Indica

• Mangifera indica Car. Linn

Which of the following pair of organelles does not contain DNA?

• Chloroplast and Vacuoles

• Lysosomes and Vacuoles

• Nuclear envelope and Mitochondria

• Mitochondria and Lysosomes

Consider the following statement :

(A) Coenzyme or metal ion that is tightly bound to enzyme protein is called prosthetic group.

(B) A complete catalytic active enzyme with its bound prosthetic group is called apoenzyme.

Select the correct option.

• (A) is true but (B) is false.

• Both (A) and (B) are false

• (A) is false but (B) is true

• Both (A) and (B) are true.

Conversion of glucose to glucose-6-phosphate, the first irreversible reaction of glycolysis, is catalyzed by

• Hexokinase

• Enolase

• Phosphofructokinase

• Aldolase

Consider following features

(a) Organ system level of organisation

(b) Bilateral symmetry

(c) True coelomates with segmentation of body

Select the correct option of animal groups which possess all the above characteristics

• Annelida, Arthropoda and Mollusca

• Arthropoda, Mollusca and Chordata

• Annelida, Mollusca and Chordata

• Annelida, Arthropoda and Chordata

Match the following structures with their respective location in organs

Select the correct option from the following

• A - (ii); B - (iv); C - (i); D - (iii)

• A - (iii); B - (iv); C - (i); D - (ii)

• A - (iii); B - (ii); C - (i); D - (iv)

• A - (iii); B - (i); C - (ii); D - (iv)

What would be the heart rate of a person if the cardiac output is 5 L, blood volume in the ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50 mL?

• 75 beats per minute

• 100 beats per minute

• 125 beats per minute

• 50 beats per minute

Xylem translocates

• Water and mineral salts only

• Water, mineral salts and some organic nitrogen only

• Water, mineral salts, some organic nitrogen and hormones

• Water only