Question 2 :
The amount of DNA in a mammalian cell in early prophase I is x. What is the amount of DNA in the same cell in anaphase I of meiosis?

Question 13 :
According to Oparin, which one of the following was not present in the primitive atmosphere of the earth?

Question 14 :
Tashmania wolf is a marsupial while wolf is a placental mammal. This shows -

Question 16 :
In case of emergency which blood group could be safety transfused ?

Question 17 :
Identify A, B, C and D - <br><img style='object-fit:contain' src='https://storage.googleapis.com/teachmint/question_assets/NEET/5e6dd8aaffcf8f526581d388' height='147' width='220' >

Question 18 :
Ovary in a tomato flower had numerous ovules but fruit had only 40 seeds at maturity. The remaining ovules were

Question 19 :
The enzyme required for the conduction of nerve impulse across synapse is:

Question 21 :
In which stage of the cell cycle histone proteins synthesized in a eukaryotic cell?

Question 23 :
<p>Some organisations and multinational companies patent biological resources of other nations without proper authorization from the countries concerned, this is called</p>

Question 24 :
<p>Consider the following statements</p><p>I. The pyramid of biomass is inverted in a pond ecosystem</p><p>II. Pyramid of energy is never inverted</p><p>III. Pyramid of number is inverted in a tree ecosystem</p><p>IV. Pyramid of biomass in forest ecosystem is upright</p><p>Which of the statements given above are correct?</p>

Question 26 :
Which of the following points should be kept into consideration for successful bee keeping? <br>A. selection of suitable location for keeping the beehives <br>B. light management according to the habits of honey bees <br>C. knowledge of the behaviour of honey bees <br>D. handing and collection of honey and bee wax.

Question 29 :
In {tex}Hydra{/tex}, waste material of food digestion and nitrogenous waste material are removed respectively from