The given diagram shows different parts of human eye with one part labeled as X. Which the following statement is correct regarding label X?

Which of the following statement (s) is/are correct? (i) According to the WHO, reproductive health is total well-being in the physical, social, emotional, behavioural aspects of reproduction. (ii) According to the WHO, reproductive health is total well-being in the physical, social and emotional aspects of reproduction. (iii) A reproductively healthy society has people with physically and functionally normal reproductive organs. (iv) Reproductively healthy societies have abnormal sex-related emotional and behavioural interactions.

In dicots, the most common pollen tetrad is:

Which of the following plants yields oil and fibre both?

Match the column-I with column-II and choose the correct option. Column-I Column-II A. Predation I. Cuscuta and Hedge plants B. Commensalism II. Balanus and Chthamalus C. Parasitism III. Cactus and Moth D. Competition IV. Orchid and Mango

'Ishihara charts' are used by ophthalmologists to detect:

Given below are the different types of ovules. Identify A to F.

Read the assertion and reason carefully: Assertion            :     Whole compound leaf of Clematis converts into tendril. Reason              :     Gloriosa superba shows whole leaf tendril.

The given figure refers to reproductive system of female cockroach. Choose the correct of non-showing the correct labellings indicated by A,

Aleurone cells are present in endosperm of: