Plant Tissues and Anatomy — Biology STD 11 Science — Question

Person suffering from kidney stone is advised not to have tomatoes as it has _______.

Biosystematics aims at :

Cyclic photophosphorylation will NOT take place in the absence of ________ .

Excretory system of these molluscs is of open type except,

Invertebrates, bony fishes, tadpoles, etc. are ammonotelic. Whereas birds, reptiles, land snails, etc. are uricotelic. What would be the probable reason for the difference in mode of excretion?
i. Ammonotelic organisms conserve water as conversion of ammonia to uric acid requires large amount of water.
ii. Elimination of ammonia requires large quantity of water, thus ammonotelism is seen in aquatic animals.
iii. Uricotelic organisms require moderate water for eliminating urea and formation of ammonia requires expenditure of energy. Thus, to conserve water and energy, these animals have uricotelism mode of excretion.
iv. Aquatic animals can retain ammonia and store it in the body for long time.

There is no life on moon due to the absence of:

Which of the following taxonomic rank contain organisms most similar to one another ?

The space between the two nuclear membranes is known as

Which of the following is harmful fungus that causes diseases in plants?