botany ncert

which one is the species ?

• Carnivora

• Canis

• familiaris

• Canis familiaris

• a

• b

• c

• d

• a

• b

• c

• d

• a

• b

• c

• d

Which of the following wall layers of anther play a predominant role in its dehiscence.

• epidermis

• endothecium

• middle layers

• tapetum

• a

• b

• c

• d

• a

• b

• c

• d

• a

• b

• c

• d

• a

• b

• c

• d

• a

• b

• c

• d