MCQ
Main excretory organs in a frog are
- ASkin
- BLungs
- ✓Kidneys
- DMalphighian tubules
✓
Answer
Correct option: C.
Kidneys
c
(c) The main organs of excretion are paired mesonephric kidneys which are compact, dark red and bean like structure situated little posteriorly in the body cavity on both sides of vertebral column.
(c) The main organs of excretion are paired mesonephric kidneys which are compact, dark red and bean like structure situated little posteriorly in the body cavity on both sides of vertebral column.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Systemic circulation is
Tidal volume is
Which one of the following does not have larvae in its life cycle
Blood pressure in the mammalian aorta is maximum during
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : The nematode can not survive in a transgenic host which expresses specific interfering RNA.
Reason (R) : Nematode specific gene introduced in the host produces both sense and antisense complementary RNA which initiate RNA interference in the host cell.
In the light of the above statement, choose the most appropriate answer form the option given below:
Assertion (A) : The nematode can not survive in a transgenic host which expresses specific interfering RNA.
Reason (R) : Nematode specific gene introduced in the host produces both sense and antisense complementary RNA which initiate RNA interference in the host cell.
In the light of the above statement, choose the most appropriate answer form the option given below:
Match following pair.
The artificial kidney is designed according to the principle of
Mark the given statements True (T) or False (F).
(i) Stellar distances are measured in light year.
(ii) The universe is 200 billion years old.
(iii) Big Bang theory explain origin of earth.
(iv) The earth was supposed to have been formed about 4.5 billion years back.
(v) Life on earth appeared about 3 billion years back.
(vi) According to spontaneous generation theory. life came out of decaying and rotting matter.
(vii) Louis Pasteur demonstrated that life comes only from pre-existing life.
(viii) Oparin of Russia and Haldane of England proposed that formation of life was preceded by chemical evolution.
(ix) Miller in his experiment observed the formation of protein.
(x) According to special creation theory, earth is about 4000 years old.
Choose the correct option given below :-
(i) Stellar distances are measured in light year.
(ii) The universe is 200 billion years old.
(iii) Big Bang theory explain origin of earth.
(iv) The earth was supposed to have been formed about 4.5 billion years back.
(v) Life on earth appeared about 3 billion years back.
(vi) According to spontaneous generation theory. life came out of decaying and rotting matter.
(vii) Louis Pasteur demonstrated that life comes only from pre-existing life.
(viii) Oparin of Russia and Haldane of England proposed that formation of life was preceded by chemical evolution.
(ix) Miller in his experiment observed the formation of protein.
(x) According to special creation theory, earth is about 4000 years old.
Choose the correct option given below :-
Out of the following one disease is caused by virus
Which of the following statements are correct?
→$I$. Dendrites are long fibre, with branched distal end
$II$. Axons are short fibres which arise from the cell body
$III$. Cell body of a neuron contains cytoplasm, nucleus with cell organelles and Nissl's granules
$IV$. The dendrites transmits nerve impulses away from the cell body to a synapse
The correct option is