Question 1 :
Which of the following has thick deposition of ligning in its converings?

Question 2 :
In which of the following sclerenchyma cells, the secondary cell walls are present

Question 4 :
The functions of bone includes:<br/>l. Formation of blood cells&#160;<br/>ll. Protection of vital organs&#160;<br/>lll. Framework for movement&#160;

Question 5 :
The epithelium which forms the inner wall of blood vessels is_____________

Question 7 :
If the root tips of onion bulb are cut, this indicates that the

Question 11 :
Choose the correct statements with reference to hyaline cartilage.<br/>(a) It is bluish-white translucent and glass-like cartilage.<br/>(b) The matrix shows collagen fibres and elastin fibres.<br/>(c) It forms the embryonic endoskeleton in cyclostomes and adult cartilage fishes.<br/>(d) It is the strongest cartilage with perichondrium.

Question 15 :
The inner lining of ducts of sweat glands and pancreatic duct is formed of epithelium

Question 16 :
Which of the following cells is infected by the HIV virus?

Question 21 :
Which of the following constituent protein are present in mitotic spindle?

Question 33 :
Eukaryotic chromosome different from prokaryotic as these are made up of<br/>

Question 34 :
Which of the following is not a function of cytoplasm ?

Question 36 :
For the formation of 100 gametophytes, the number of functional megaspores needed are

Question 37 :
Assertion: Meiosis results in production of haploid cells. Reason: Synapses occurs during leptotene.