The pedipalps in spiders are used for

A. grasping

B. walking

C. feeling

D. web spinning

The body of a snail is divided into head

A. thorax and abdomen

B. visceral mass and abdomen

C. thorax and foot

D. visceral mass and foot

In dicotyledonous stem, each companion cell is founded beside the

A. endodermal cell

B. xylem vessel

C. sieve tube

D. pericyclic fibre

If a healthy potted plant is continuously kept in dim light

A. the rate of respiration may equal that of photosynthesis

B. more carbondioxide and water are taken in

C. respiration may be halted

D. the volume of oxygen released increase

The pancreatic juice contains the enzymes amylopsin,

A. pepsin and trpsinogen

B. rennin and steapsin

C. steapsin and trypsinogen

D. steapsin and ptyalin

Aged erythrocytes are dissolved in the

A. pancreas

B. liver

C. lymph nodes

D. kidney

The seedlings in rice field were found to have thin lanky growth with reddish leaves and poor root development. This is because the soil lacks

A. sulphur

B. phosphorus

C. potassium

D. iron

There will be agglutination when the

A. Group A serum mixes with Group A erythrocytes

B. Group A serum mixes with group B erythrocytes

C. Group AB serum mixes with Group O erythrocytes

D. Group B serum mixes with Group B erythrocytes

Which of the following is the function of lymph?

A. Carries hormones round the body

B. Transports nutrients and oxygen from blood capil

C. Distributes heat uniformly round the body

D. conveys amino acids and glucose fromthe small intestine to the liver

The lumbar vertebra when compared with a thoracic vertebra has a

A. longer neural spines

B. wider neural canal

C. thicker centrum

D. shorter transverse process