The Nervous System and Sense Organs — Biology STD 10 — Question

Water will be absorbed by the root hairs when :

Choose the Odd One Out:

Where does light reaction of photosynthesis take place?

Hari is fond of watching the fish in an aquarium. So, he set up an aquarium in his house. Along with a number of fresh water fish, he also placed a clown fish which is a salt water fish. After few hours, the clown fish was found dead and floating on water. This was due to:

The word "tropic" is derived from a Greek word"tropos " which mainly indicates to:

Bundle of 'His' is found in ___________

Some features of cell division are listed.
(i) Haploid cells are produced
(ii) New cells are genetically identical
(iii) Reduction division
(iv) Results in variation
Which features would be associated with meiosis?

The diagram given below shows a potted plant and the same plant 24 hours later.


What causes the change in the appearance of the plant?

S phase represents