What are G. arboretum, G. herbaceum, G. hirsutum and G. barbadense, whose all the four species are cultivated in India? (G = Gossypium)
Question 3
Which of the fact is NOT correct about the heart:
Question 4
Muscle cells contain protein filaments of _______and______.
Question 5
With reference to the lymph, which of the following statement (s) is / and correct?
1.lymph is the hormone which independently controls the heartbeat.
2.lymph flows only in one direction from the heart towards the tissue.
Question 6
Why the bottled juices available in the market are clearer than the fresh juices made at home?
Question 7
Robin and Sherry observed an animal in their garden. Robin called it an ‘Insect’ while Sherry said it was an ‘Earthworm’. Choose the character from the following which confirms that it is an insect:
Question 8
Consider the following -
Statement 1:The koala eats only the leaves of eucalyptus trees. Eucalyptus trees are very low in protein and toxic to many animal species.
Statement 2:Adaptation is driven by genetic shifts among individuals who have adapted to it i.e. great success in a specific environmental context.
Question 9
Which of the following statements is not true?
Question 10
Consider the following statements.
1) The pistil remains attached to the plants.
2) Zygote develops into embryo and ovary develops into fruits.
3) Ovules develop into seeds.
4) The sepals, petals and stamens wither away.
Which of the above are post-fertilization changes which occur in plants?
Question 11
Consider the following statements regarding Spermatogenesis and Oogenesis.
1) Both takes place in ovary.
2) The sperm/egg formed are motile
3) All the stages of spermatogenesis take place inside unlike oogenesis.
4) All oogonia gives rise to oocytes.
Which of the above are correct?
Question 12
Which of the following pairs is an incorrect match?
Question 13
Identify the incorrect statement about successions of plants from the given below:
Question 14
Which of the fact is NOT correct about Photosynthesis?
Question 15
Select the correct relation between net primary productivity and gross primary productivity.