Please select a subject first
Why aquatic animals can afford to be ammonotelic?
Concept: Modes of Excretion: Ammonotelism, Ureotelism, and Uricotelism
What is Red Data Book?
Concept: Biodiversity
Which of the following is a chemical transmitter in the synapse of neurons?
Concept: Control and Co-ordination
Vermiform appendix is an example of __________ organ.
(A) vestigeal
(B) homologous
(C) sense
(D) analogous
Concept: Origin and Evolution of Universe and Earth
The phenomenon of industrial melanism demonstrates__________
(a) natural selection
(b) induced mutations
(c) reproductive isolation
(d) geographical isolation
Concept: Origin and Evolution of Universe and Earth
By which process ammonia is converted into urea in liver?
Concept: Modes of Excretion: Ammonotelism, Ureotelism, and Uricotelism
Select and write the most appropriate answer from the given.
Identify the type of isolation where the members of two populations have different mating behaviour which prevents interbreeding:
Concept: Origin and Evolution of Universe and Earth
Select and write the most appropriate answer from the given.
Which stage in the life cycle of silk moth secretes silk?
Concept: Origin and Evolution of Universe and Earth
Multiple choice question.
Insect pollinated flowers usually posses ______
Concept: Reproduction in Plant
Multiple choice question.
In ovule, meiosis occurs in ______
Concept: Reproduction in Plant
Multiple choice question.
The ploidy level is not the same in ______.
Concept: Reproduction in Plant
Multiple choice question.
Which of the following types require pollinator but the result is genetically similar to autogamy?
Concept: Reproduction in Plant
Multiple choice question.
If diploid chromosome number in a flowering plant is 12, then which one of the following will have 6 chromosomes?
Concept: Reproduction in Plant
Multiple choice question.
In angiosperms, endosperm is formed by/ due to ______
Concept: Reproduction in Plant
Multiple choice question.
Point out the odd one.
Concept: Reproduction in Plant
Multiple choice question.
The number of nuclei present in a zygote is _______.
Concept: Reproduction in Animal and Human
Multiple choice question.
Which of these is the male reproductive organ in humans?
Concept: Reproduction in Animal and Human
Multiple choice question.
Presence of beard in boys is a _______.
Concept: Reproduction in Animal and Human
Microorganisms also help in production of food like ______________.
Concept: Improvement in Food Production
Multiple Choice Question:
The molecular knives of DNA are _______.
Concept: Deoxyribonucleic Acid (DNA) and Its Structure