Two planets are circling around a distant star. The orbital radius of planet A is half that of planet (2) Which statement is correct?

1) w_A >w_B and v_A > v_B

2) w_A >w_B and v_A  < v_B

3) w_A =w_B and v_A > v_B

4) w_A =w_B and v_A < v_B

0.01 mole of Na₂C₂O₄ dissolve in alkaline solution. This solution is titrated with V ml 0.1M KMnO₄ solution. Find out V

1) 200
2) 200 / 3
3) 40
4) 100 / 3

Which one of the following is the hierarchical sequence ?

1) Phylum, class, order, family
2) Phylum, division, family, class
3) Genus, species, order, family.
4) Division, order, class, genus

Spiral valve of Heister is present in

(1)     cystic duct                (2)     Hepto-pancreatic duct

(3)     Pancreatic duct          (4)     Bile duct

In a eukaryotic cell which of the following RNA undergoes translation ?
1) r-RNA
2)  t-RNA
3) m-RNA
4) all these three types

An 'unavoidable evil' in the plant body is : 
1. photosynthesis 
2. osmosis 
3. translocation of solutes 
4. Transpiration

 Cretinism disorder in childhood is caused due to lack of-

(1)Thyroxine

(2) Vitamin D

(3) Growth hormone

(4) Calcitonin

Which of the following reacts with water at high rate?

1) Li
2) K
3) Na
4) Rb

 Which of the following is a bacterial disease ?

 1. Rabies
 2. Measles
 3. Small pox
 4. Tuberculosis

The correct sequence of decrease in the bond angle of the following hydrides is

1) NH₃ > PH₃ > AsH₃ > SbH₃
2) NH₃ > AsH₃ > PH₃ > SbH₃
3) SbH₃ > AsH₃ >PH₃ > NH₃
4) PH₃ > NH₃ > AsH₃ > SbH₃