Frogs

• are uricotelic

• have olfactory lobes in the midbrain

• do not have renal portal system

• have lymphatic system

• have lymphatic system

52.

Most of the cartilages in vertebrate embryo are replaced in adult by

• Blood

• Bones

• Tendons

• Ligaments

• Ligaments

Which one is a specialized connective tissue among these?

• Adipose tissue

• Bone

• Areolar tissue

• Fibroblasts

• Fibroblasts

Three alleles namely I^A, I^B and i control the blood grouping in human beings. How many different genotypes are likely to be present in the human population?

• 2

• 4

• 5

• 6

• 6

What is a nucleosome?

• A vesicle containing positively charged histones within nucleolus

• They are similar to endosomes

• A structure formed by wrapping of negatively charged DNA around positively charged histone octamer

• They are the transforming principles discovered by Griffith

• They are the transforming principles discovered by Griffith

Some amino acids are coded by more than one codon as the code is

• unambiguous

• specific

• universal

• punctuated

• punctuated

The secretions of the brush border cells of the intestinal mucosa along with the secretion of goblet cells constitute the

• succus entericus

• chyme

• gastric juice

• chylomicrons

• chylomicrons

The volume of air that will remain in the lungs after a  normal expiration is called

• vital capacity

• functional residual capacity

• residual volume

• total lung capacity

• total lung capacity

Choose the correct statement among the following

• The intestional mucosal epithelium has oxynitic cells

• Ptyalin converts proteins into proteoses and peptones

• Crypts of Lieberkuhn is seen between the bases of villi in the intestine

• Sphincter of Oddi is present at the junction of oesophagus and cardiac stomach

• Sphincter of Oddi is present at the junction of oesophagus and cardiac stomach

The body temperature regulatory centre in the brain is

• cerebellum

• corpus callosum

• hypothalamus

• hippocampus

• hippocampus