The frequency of crossing-over occurring between two genes located on the same chromosome depends on

• length of the chromosome

• position of the centromere

• activities of two genes

• distance between two genes

Cross-pollination through insect agent is called

• anthropophily

• malacophily

• entemophily

• ornithophily

Identify the correct statements in relation to C₄ photosynthesis.

• Kranz anatomy is an essential feature for C₄ plants

• C₄ plants have higher water use efficiency than C₃ plants

• Photorespiration can be minimised when C₃ pathway is in operation

• Conversion of oxaloacetate to malate occurs in the bundle sheath cells

Which of the following statements are true for 'Motor cortex'?

I. It is located in the frontal lobe of cerebral cortex.

II It contains pyramidal cells.

III. It is responsible for all visual functions.

IV. It is essential for our thought processes.

V. It stimulates wakefulness.

VI. It regulates voluntary muscular movements.

• I, II, III and V

• II, III, IV and V

• II, IV, V and VI

• I, II, IV and VI

Anish is having colour blindness and married to Sheela, who is not colourblind. What is the chance that their son will have the disease?

• 100%

• 50%

• 25%

• 0%

Cleistogamous flowers are

• bisexual flowers which remain opened

• bisexual flowers which remain closed

• open female flower

• open male flower

Which of the following factor(s) increase blood pressure?

• Increase of cardiac output

• Constriction of blood vessel

• Activation of parasympathetic nerve

• Increase of blood volume

What type of cartilaginous tissue is found in the inter-vertebral discs?

• Costal cartilage

• Hyaline cartilage

• White fibrous cartilage

• Yellow elastic cartilage

Pseudopodia are produced by

• plasma cell

• mast cell

• adipose cell

• fibroblast cell

Proteins helping in kinetocore formation of yeast are

• CBF2 and Kar³ P

• CBF2 and CBF3

• CBF3 and Kar³ P

• CBF2, CBF3 and Kar³ P