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1601.

What is the difference between chemotropism and phototropism?

Answer» What is the difference between chemotropism and phototropism?
1602.

Why do complex multicellular organisms have developed special lineages of cells in their body?

Answer» Why do complex multicellular organisms have developed special lineages of cells in their body?
1603.

Name the ion responsible for binding actin and myosin filaments.

Answer»

Name the ion responsible for binding actin and myosin filaments.


1604.

20.How many coulombs are required for the oxidation of 1 mol of FeO to Fe2O3 ?

Answer» 20.How many coulombs are required for the oxidation of 1 mol of FeO to Fe2O3 ?
1605.

Which of the following statement is not true?

Answer»

Which of the following statement is not true?


1606.

Name of all the cell junction with their specific protein present in them?

Answer» Name of all the cell junction with their specific protein present in them?
1607.

The cell maintains Homeostasis. What do you understand by homeostasis and why does the cell maintain it?

Answer» The cell maintains Homeostasis. What do you understand by homeostasis and why does the cell maintain it?
1608.

Short note on Lysosome.

Answer»

Short note on Lysosome.

1609.

Which organelle is called the '"power house of the cell"?

Answer»

Which organelle is called the '"power house of the cell"?



1610.

Why is excess use of fertilisers detrimental for environment?

Answer» Why is excess use of fertilisers detrimental for environment?
1611.

Monosomy of what causes down syndrome?

Answer»

Monosomy of what causes down syndrome?

1612.

Cell walls of plants are mainly composed of:

Answer»

Cell walls of plants are mainly composed of:


1613.

What are crop's pests ? Suggest preventive measures to control pests.

Answer»

What are crop's pests ? Suggest preventive measures to control pests.

1614.

Rohan is suffering from fever, sore throat, muscular pain and high pulse rate. Which of the following vaccine would have prevented the occurrence of this disease?

Answer»

Rohan is suffering from fever, sore throat, muscular pain and high pulse rate. Which of the following vaccine would have prevented the occurrence of this disease?


1615.

Match the following. Column IColumn II(i)Flagellar(a)Paramecium(ii)Ciliary(b)Euglena(iii)Chaetae(c)Earthworm

Answer»

Match the following.

Column IColumn II(i)Flagellar(a)Paramecium(ii)Ciliary(b)Euglena(iii)Chaetae(c)Earthworm


1616.

The smallest unit of the kidney which is responsible for the removal of nitrogenous wastes from the blood is

Answer»

The smallest unit of the kidney which is responsible for the removal of nitrogenous wastes from the blood is


1617.

Which are characteristic properties of muscles?

Answer»

Which are characteristic properties of muscles?


1618.

Which of the following method(s) can be used to control the growth of weeds in the fields?

Answer»

Which of the following method(s) can be used to control the growth of weeds in the fields?



1619.

Are Viruses Prokaryotic or Eukaryotic? [1 MARK]

Answer»

Are Viruses Prokaryotic or Eukaryotic? [1 MARK]

1620.

What are F1 particles?

Answer» What are F1 particles?
1621.

What is the other name for ground meristem?

Answer»

What is the other name for ground meristem?


1622.

what is the site of oxidative phosphorylation?

Answer»

what is the site of oxidative phosphorylation?


1623.

How to check symetry of (co(en)2cl2) in detail with diagram

Answer» How to check symetry of (co(en)2cl2) in detail with diagram
1624.

is there any difference in the bond angles of nitro and nitrite group as in AgNO2 and KNO

Answer» is there any difference in the bond angles of nitro and nitrite group as in AgNO2 and KNO
1625.

The energy-releasing process in which the substrate is oxidised without an external electron acceptor is called

Answer»

The energy-releasing process in which the substrate is oxidised without an external electron acceptor is called


1626.

How the 4-d blastomere occur?Explain with a neat diagram

Answer» How the 4-d blastomere occur?Explain with a neat diagram
1627.

Sebum accumulation causes the growth of bacteria and results in the formation of _____.

Answer»

Sebum accumulation causes the growth of bacteria and results in the formation of _____.


1628.

What does the valves inside the heart do ?

Answer»

What does the valves inside the heart do ?

1629.

What parts amoeba have in it?

Answer» What parts amoeba have in it?
1630.

Explain the fissures present in Lungs with diagram.

Answer» Explain the fissures present in Lungs with diagram.
1631.

The pleurae are vital to the integrity of the lungs because -

Answer»

The pleurae are vital to the integrity of the lungs because -


1632.

Write in brief about progressive changes in animal classification.

Answer» Write in brief about progressive changes in animal classification.
1633.

Pick the odd one out:

Answer»

Pick the odd one out:


1634.

Which of the following cells do not exhibit phagocytotic activity ? (a) Monocytes (b) Netrophil (c) Basophil (d) Macrophage

Answer»

Which of the following cells do not exhibit phagocytotic activity ?
(a) Monocytes (b) Netrophil (c) Basophil (d) Macrophage

1635.

Which of the following is responsible for acid rain?

Answer»

Which of the following is responsible for acid rain?



1636.

The cell wall is:

Answer»

The cell wall is:

1637.

The shape of RBC is _____.

Answer»

The shape of RBC is _____.



1638.

What are Chondrocytes and Chondroblasts ?? What is the difference between these two ??

Answer» What are Chondrocytes and Chondroblasts ?? What is the difference between these two ??
1639.

The pollen of another flower of the same plant fall on the stigma is called as _______. ​​

Answer»

The pollen of another flower of the same plant fall on the stigma is called as _______.

​​


1640.

What is the shape of simple squamous tissue?

Answer»

What is the shape of simple squamous tissue?

1641.

Water is not required for fertilisation in ________.

Answer»

Water is not required for fertilisation in ________.


1642.

Which of the following is not an example of cartilaginous fish?

Answer»

Which of the following is not an example of cartilaginous fish?


1643.

Read the given statements and choose the correct option. 1. Joint which allows movement in all directions. 2. Hard structure that forms the skeleton. 3. Part of the body with a fixed joint. 4. Help in the movement of body by contraction and relaxation.

Answer»

Read the given statements and choose the correct option.
1. Joint which allows movement in all directions.
2. Hard structure that forms the skeleton.
3. Part of the body with a fixed joint.
4. Help in the movement of body by contraction and relaxation.


1644.

Differentiate between Rough Endoplasmic Reticulum and Smooth Endoplasmic Reticulum. list 3 each

Answer» Differentiate between Rough Endoplasmic Reticulum and Smooth Endoplasmic Reticulum. list 3 each
1645.

The type of blood vascular system, in which blood flows inside blood vessels is called _____.

Answer»

The type of blood vascular system, in which blood flows inside blood vessels is called _____.


1646.

How did we come to know about germ layers?

Answer» How did we come to know about germ layers?
1647.

Who kept the the name botany as botany

Answer»

Who kept the the name botany as botany

1648.

___________bricks were used for walls and floors of the Great Bath

Answer»

___________bricks were used for walls and floors of the Great Bath


1649.

Majority of the minerals are absorbed by active absorption because:

Answer»

Majority of the minerals are absorbed by active absorption because:


1650.

Nucleus is vital part of the cell. ( 2-3 lines answer)

Answer»

Nucleus is vital part of the cell. ( 2-3 lines answer)