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4851.

The two kingdoms that include multicellular organisms with distinct organ systems are kingdom _____ and ______.

Answer»

The two kingdoms that include multicellular organisms with distinct organ systems are kingdom _____ and ______.


4852.

Which of the following are true about antigens?

Answer»

Which of the following are true about antigens?


4853.

Does the nucleolus of a cell has RNA ?

Answer»

Does the nucleolus of a cell has RNA ?

4854.

A lichen is formed by the association of:

Answer»

A lichen is formed by the association of:


4855.

Coronary artery supplies ___ blood to the heart muscle

Answer»

Coronary artery supplies ___ blood to the heart muscle

4856.

Who is the father of modern taxonomy?

Answer»

Who is the father of modern taxonomy?


4857.

What would happen if you remove the mirror from a microscope?

Answer»

What would happen if you remove the mirror from a microscope?


4858.

What is the relation between puberty and adolescence

Answer» What is the relation between puberty and adolescence
4859.

Which of the following statements is wrong?

Answer»

Which of the following statements is wrong?


4860.

In a cell which is not dividing, DNA is present as a part of the ___ material.

Answer»

In a cell which is not dividing, DNA is present as a part of the

___

material.

4861.

What is self pollination and the cross pollination????? In simple language for and able to understand for students

Answer»

What is self pollination and the cross pollination????? In simple language for and able to understand for students

4862.

What is the meaning of cell?

Answer»

What is the meaning of cell?

4863.

Raisins shrink in sugar solution give reason

Answer»

Raisins shrink in sugar solution give reason

4864.

What is diphtheria?

Answer»

What is diphtheria?

4865.

The pyramid of biomass is inverted in:

Answer»

The pyramid of biomass is inverted in:


4866.

What is the result of discharge of electric charge during lightning?

Answer»

What is the result of discharge of electric charge during lightning?


4867.

Select the conjunction which best completes the sentence. The children wouldn’t sleep _________ they listened to a story and a lullaby from their nanny.

Answer»

Select the conjunction which best completes the sentence.

The children wouldn’t sleep _________ they listened to a story and a lullaby from their nanny.


4868.

The virus causing AIDS cannot be transmitted from an infected person to a healthy person by

Answer»

The virus causing AIDS cannot be transmitted from an infected person to a healthy person by


4869.

Which of the following organelles in plants contain chlorophyll?

Answer»

Which of the following organelles in plants contain chlorophyll?


4870.

The above picture shows that the camel stores excess fat in a particular part of the body. What do you call that body part?

Answer»

The above picture shows that the camel stores excess fat in a particular part of the body. What do you call that body part?


4871.

Question 20 Cheek cells do not have___ (a) cell membrane (b) nucleus (c) golgi apparatus (d) plastids

Answer» Question 20
Cheek cells do not have___

(a) cell membrane
(b) nucleus
(c) golgi apparatus
(d) plastids
4872.

What is the causative agent of TB?

Answer»

What is the causative agent of TB?


4873.

Sclerenchyma tissues have no intercellular space as the walls are thickened due to the presence of __________________. What is lignin?

Answer» Sclerenchyma tissues have no intercellular space as the walls are thickened due to the presence of __________________. What is lignin?
4874.

Define personal hygiene and explain its importance in an adolescent’s life. [2 MARKS]

Answer»

Define personal hygiene and explain its importance in an adolescent’s life.
[2 MARKS]

4875.

The organelle which synthesises lipids in a cell is ___ .

Answer»

The organelle which synthesises lipids in a cell is ___ .

4876.

Why cells are too small? Why are cells too many in number?

Answer» Why cells are too small? Why are cells too many in number?
4877.

__ is a fungus which is edible and consumed by humans and other animals.

Answer»

__ is a fungus which is edible and consumed by humans and other animals.

4878.

what was the microbe and the dieseas that caused black death in europe in 13th century

Answer» what was the microbe and the dieseas that caused black death in europe in 13th century
4879.

What is meant by the term ‘Santiniketan’?

Answer»

What is meant by the term ‘Santiniketan’?


4880.

The person going through adolescence is mostly a/an ___.

Answer» The person going through adolescence is mostly a/an ___.
4881.

Biology is derived as

Answer»

Biology is derived as

4882.

In cutting method of vegetative propagation, cuttings are mainly taken from

Answer»

In cutting method of vegetative propagation, cuttings are mainly taken from


4883.

Name the causitve organisms ( pathogens ) and carrier of diseases (a) malaria (b) dengue fever

Answer» Name the causitve organisms ( pathogens ) and carrier of diseases
(a) malaria
(b) dengue fever
4884.

Why we breathe oxygen while plants breathe carbon dioxide?

Answer»

Why we breathe oxygen while plants breathe carbon dioxide?

4885.

What are centrosomes?how are centrosomes and chromosomes different?

Answer»

What are centrosomes?how are centrosomes and chromosomes different?

4886.

Herkogamy favours cross pollination. In Pansy there is a hood covering the stigma. So how can pollen from other plants reach this stigma?

Answer» Herkogamy favours cross pollination. In Pansy there is a hood covering the stigma. So how can pollen from other plants reach this stigma?
4887.

Viruses that has only RNA is called

Answer»

Viruses that has only RNA is called

4888.

Which organisms are microscopic and dependent on host organisms for reproduction?

Answer»

Which organisms are microscopic and dependent on host organisms for reproduction?


4889.

Which one is not a micro organism?

Answer»

Which one is not a micro organism?


4890.

Mushrooms are rich in ___

Answer» Mushrooms are rich in ___
4891.

Why stained dyes are used to colour parts of cell? ​​​

Answer» Why stained dyes are used to colour parts of cell?

​​​
4892.

Explain the nitrogen cycle.

Answer» Explain the nitrogen cycle.
4893.

Given below is a list of characteristics about Amoeba and WBCs. With reference to the statements, choose the correct option. Statement 1: Both Amoeba and WBCs use pseudopodia for locomotion. Statement 2: Both Amoeba and WBCs are capable of independent existence. Statement 3: Both Amoeba and WBCs can change their shapes. Statement 4: Both Amoeba and WBCs have cell membrane.

Answer»

Given below is a list of characteristics about Amoeba and WBCs. With reference to the statements, choose the correct option.

Statement 1: Both Amoeba and WBCs use pseudopodia for locomotion.

Statement 2: Both Amoeba and WBCs are capable of independent existence.

Statement 3: Both Amoeba and WBCs can change their shapes.

Statement 4: Both Amoeba and WBCs have cell membrane.


4894.

Name the micro-organism used in bread-making which makes the bread-dough rise. How does it makes the dough rise ?

Answer»

Name the micro-organism used in bread-making which makes the bread-dough rise. How does it makes the dough rise ?

4895.

Every organism needs food. Does a cell do it? Explain briefly.

Answer» Every organism needs food. Does a cell do it? Explain briefly.
4896.

Fill in the blank with the correct preposition. Whenever I look at her, it seems ____ Kavya is suppressing her tears.

Answer»

Fill in the blank with the correct preposition.

Whenever I look at her, it seems ____ Kavya is suppressing her tears.


4897.

Which of the following organelles are called 'the suicide bags' of the cell?

Answer»

Which of the following organelles are called 'the suicide bags' of the cell?


4898.

'Forest Conservation Act' deals with the eradication of ____.

Answer»

'Forest Conservation Act' deals with the eradication of ____.

4899.

Which of the following are the factors that affect transpiration?

Answer»

Which of the following are the factors that affect transpiration?


4900.

Question 22 (a) Name the practice followed for large scale rearing of farm animals. (b) What facilities are provided to farm animals?

Answer»

Question 22
(a) Name the practice followed for large scale rearing of farm animals.
(b) What facilities are provided to farm animals?