Which of the following pairs of structures in plants possess a haploid number of chromosomes?

Choose the correct option ($T$ = true,$F$ = false).
- If zygote develops outside the body,the animal is oviparous.
- In flowering plants,zygote is formed inside the ovule.
- During embryogenesis,embryo shows both cell division and cell differentiation.
- In flowering plants,the ovary develops into the fruit.

Which of the following is incorrect in angiosperm?

Which of the following is called 'Terror of Bengal'?

Make the correct pair:

Column-$I$	Column-$II$
$A$. Tapetum	$i$. Degenerate during development
$B$. Intine	$ii$. Resistant organic materials
$C$. Vegetative cell	$iii$. Pollen tube
$D$. Sporopollenin	$iv$. Provide nourishment to pollen grains

Which of the following is incorrect with respect to angiosperms?