MCQ
The life begins above which level.
- AMolecule
- ✓Amino acid
- CMixture
- DCompound
✓
Answer
Correct option: B.
Amino acid
b
It's Obvious
It's Obvious
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
$A$ : Human blood always contains more amount of $CO_2$ than blood oxygen.
$R$ : Solubility coefficient of $CO_2$ is more than $O_2$.
→$R$ : Solubility coefficient of $CO_2$ is more than $O_2$.
$SAN$ generates an action potential which stimulates both the ...$A$.. to undergo a simultaneous contraction called ...$B$... . This increases the flow of the blood into the ventricles by about ... $C$... percentage
→Choose the correct option for $A , B$ and $C$
How many sentence are correct ?
→$(i)$ Every gene contains the information to express a particular trait.
$(ii)$ Gene responsible for $\beta$ - thalassemia is present on $21^{st}$ pair of autosomal chromosome.
$(iii)$ Mendel's approach of using mathematics to explain biological phenomena was totally new and unacceptable to many of the biologists of his time.
The blood pumped by the ...$A$... ventricle enters the ... $B$... artery, whereas the ...$C$... ventricle pumps blood into the ...$D$...
→Choose the correct option for $A, B, C$ and $D$
Select the Incorrect match
| Swollen leaf base | - | Pulvinus |
| Lamina | - | Green expanded part of leaf |
| Trimerous | - | The floral appendages are in multiple of 5 |
| Rachis | - | Represents the midrib of the leaf |
Which one of the following is the true description about an animal concerned?
Diabetes mellitus is due to lack of
The diagram given here is the standard $ECG$ of a normal person. The Pwave represents the
→In persons addicted to alcohol, the liver gets damaged because it
Select wrong statement and mark right option for wrong statement.
(i) Platelets also called thrombocytes are cell fragments produced from megakaryocytes.
(ii) Blood normally contains 1.500,00-3,500,00 platelets mm-3
(iii) Platelets can release a variety of substances most of which are involved in the coagulation or clotting of blood.
(iv) A reduction in number of platelets can lead to clotting disorders which will lead to excessive loss of blood from the body.
(v) Megakaryocytes are special cells of the bone marrow.
(vi) Thrombokinase, present in the platelets in an inactive state.
(i) Platelets also called thrombocytes are cell fragments produced from megakaryocytes.
(ii) Blood normally contains 1.500,00-3,500,00 platelets mm-3
(iii) Platelets can release a variety of substances most of which are involved in the coagulation or clotting of blood.
(iv) A reduction in number of platelets can lead to clotting disorders which will lead to excessive loss of blood from the body.
(v) Megakaryocytes are special cells of the bone marrow.
(vi) Thrombokinase, present in the platelets in an inactive state.