Cell: The Unit of Life Questions

In bacterial cell DNA is extensively looped and coiled with help of

True nucleus is absent in :-

What causes a green plant exposed to the light on only one side, to bend toward the source of light as it grows ?

Which one of the following is not an inclusion body found in prokaryotes ?

Which cells of 'Crypts of Lieberkuhn' secrete antibacterial lysozyme?

Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen ?

Which of the following cell organells is responsible for extracting energy from carbohydrates to form ATP ?

Transplantation of tissues / organs fails often due to non-acceptance by the patient's body. Which type of immune –respones is responsible for such rejection

Spliceosomes are not found in cells of

Which of the following components provides sticky character to the bacterial cell ?

Thalassemia and sickle cell anemia are caused due to a problem in globin molecule synthesis. Select the correct statement.

A disease caused by an autosomal primary non- disjunction is :

In case of poriferans, the spongocoel is lined with flagellated cells called :

Which of the following facilitates opening of stomatal aperture?

Which of the following RNAs should be most abundant in animal cell

Mitochondria and chloroplast are: (i)Semi - autonomous organelles (ii)Formed by division of pre - existing organelles and they contain DNA but lack protein synthesizing machinery Which one of the foll...

Microtubules are the constituents of:

A complex of ribosomes attached to single strand of RNA is known as:

Asthma may be attributed to:

One of the major components of cell wall of most fungi is: