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6651.

Which of the following correctly represents the stages in ideal waste management?

Answer»

Which of the following correctly represents the stages in ideal waste management?


6652.

What is meant by bio-diversity?

Answer» What is meant by bio-diversity?
6653.

Why cells are generally small in size?

Answer»

Why cells are generally small in size?

6654.

Animals which are active during night and sleep during the day are called .

Answer» Animals which are active during night and sleep during the day are called .
6655.

How does the stephyllococci bacteria affect the body? answer expected in 60-70 words

Answer» How does the stephyllococci bacteria affect the body?
answer expected in 60-70 words
6656.

Which of the following functions is carried out by phloem?

Answer»

Which of the following functions is carried out by phloem?


6657.

A bacteria that is helpful in creating transgenic plants is

Answer» A bacteria that is helpful in creating transgenic plants is
6658.

The structural units found in green plants and lower organisms for basic processes like photosynthesis, storage etc. are ________.

Answer»

The structural units found in green plants and lower organisms for basic processes like photosynthesis, storage etc. are ________.


6659.

The given picture depicts the surface of small intestine. What is the main reason, it so convoluted?

Answer»

The given picture depicts the surface of small intestine. What is the main reason, it so convoluted?


6660.

___ is the scientific study of the wild and wonderful ways in which animals interact with each other, with other living beings and with the environment.

Answer» ___ is the scientific study of the wild and wonderful ways in which animals interact with each other, with other living beings and with the environment.
6661.

Define mixed crop. Write two advantages and two disadvantages? [5 MARKS]

Answer»

Define mixed crop. Write two advantages and two disadvantages? [5 MARKS]

6662.

explain how the meristematic tissues adapt to rapid cell division

Answer»

explain how the meristematic tissues adapt to rapid cell division

6663.

How many chromosome pairs are found in human cells ?

Answer»

How many chromosome pairs are found in human cells ?

6664.

Cell organelle that converts radiant energy into chemical energy.

Answer» Cell organelle that converts radiant energy into chemical energy.
6665.

A person is carrying a heavy weight. He got tired and removed the weight to relax his muscles. Which tissues are involved in this case​​​​

Answer»

A person is carrying a heavy weight. He got tired and removed the weight to relax his muscles. Which tissues are involved in this case
​​​​

6666.

Why does this have to be true that all prokayotes are unicellular? Why can't they be multicellular?

Answer» Why does this have to be true that all prokayotes are unicellular? Why can't they be multicellular?
6667.

Which type of epithelium is present in the organs where exchange of substances takes place ?

Answer»

Which type of epithelium is present in the organs where exchange of substances takes place ?

6668.

The epithelial lining of the inner wall of the trachea bears cilia. What may be the purpose of this?

Answer»

The epithelial lining of the inner wall of the trachea bears cilia. What may be the purpose of this?


6669.

Mention three desirable characters of bee varieties suitable for honey production. [3 MARKS]

Answer»

Mention three desirable characters of bee varieties suitable for honey production. [3 MARKS]

6670.

What is soya lecithin?

Answer» What is soya lecithin?
6671.

Question 53 Draw a plant cell and label the parts which (a)Determines the function and development of the cell (b)Packages materials coming from the endoplasmic reticulum (c)Provides resistance to microbes to withstand hypotonic external media without bursting (d) Is the site for many biochemical reactions necessary to sustain life. (e) Is a fluid contained inside the nucleus

Answer»

Question 53
Draw a plant cell and label the parts which

(a)Determines the function and development of the cell

(b)Packages materials coming from the endoplasmic reticulum

(c)Provides resistance to microbes to withstand hypotonic external media without bursting

(d) Is the site for many biochemical reactions necessary to sustain life.

(e) Is a fluid contained inside the nucleus

6672.

Question 44 Why does water need conservation even though large oceans surround the land masses?

Answer»

Question 44
Why does water need conservation even though large oceans surround the land masses?

6673.

Professional wrestlers do not kick or punch their opponents on their limbs or head in order to avoid hitting on the hard structure of the limbs. The frame of hard tissues that form the basic support structure of an organism's body is known as ___________.

Answer»

Professional wrestlers do not kick or punch their opponents on their limbs or head in order to avoid hitting on the hard structure of the limbs. The frame of hard tissues that form the basic support structure of an organism's body is known as ___________.


6674.

Question 11 Excessive exposure of human beings to UV-rays results in (i) Damage to immune system (ii) Damage to lungs (iii) Skin cancer (iv) Peptic ulcers (a) (i) and (ii) (b) (ii) and (iv) (c) (i) and (iii) (d) (iii) and (iv)

Answer»

Question 11
Excessive exposure of human beings to UV-rays results in
(i) Damage to immune system
(ii) Damage to lungs
(iii) Skin cancer
(iv) Peptic ulcers

(a) (i) and (ii)
(b) (ii) and (iv)
(c) (i) and (iii)
(d) (iii) and (iv)

6675.

What are stomata ? Write it's features

Answer» What are stomata ? Write it's features
6676.

Biopiracy refers to

Answer» Biopiracy refers to
6677.

Please explain nitrogen cycle!!!!

Answer»

Please explain nitrogen cycle!!!!

6678.

Question 43 Classify Rohu, Scolidon, Flying lizard, King Cobra, Frog, Salamander, Ostrich, Pigeon, Bat, Crocodile and Whale into the cold blooded/warm blooded animals.

Answer» Question 43
Classify Rohu, Scolidon, Flying lizard, King Cobra, Frog, Salamander, Ostrich, Pigeon, Bat, Crocodile and Whale into the cold blooded/warm blooded animals.
6679.

Describe muscular system and its functions.

Answer»

Describe muscular system and its functions.

6680.

When we breathe in, we inhale many gases, including oxygen. What happens to the gases that the body can't use?

Answer»

When we breathe in, we inhale many gases, including oxygen. What happens to the gases that the body can't use?


6681.

In brief state what happens when- a- dry apricots are left for some time in pure water and later transferred to sugar solution. B- a red blood cell is kept in concentrated saline solution. C- a cell has lower water concentration than the surrounding medium. D- a cell has equal water concentration as the surrounding medium. E - salt is added to raw vegetables like bitter guard.

Answer»

In brief state what happens when-

a- dry apricots are left for some time in pure water and later transferred to sugar solution.

B- a red blood cell is kept in concentrated saline solution.

C- a cell has lower water concentration than the surrounding medium.

D- a cell has equal water concentration as the surrounding medium.

E - salt is added to raw vegetables like bitter guard.

6682.

Question 23 Why is excess use of fertilizers detrimental for environment?

Answer» Question 23
Why is excess use of fertilizers detrimental for environment?
6683.

The second most abundant gas in the Earth's atmosphere is ___ .

Answer»

The second most abundant gas in the Earth's atmosphere is ___ .

6684.

Which of the following are true for bone marrow?

Answer»

Which of the following are true for bone marrow?


6685.

Name the target organs of the following: (a) Hepatitis, (b) Fits, (c) pneumonia, (d) Fungal disease.

Answer» Name the target organs of the following: (a) Hepatitis, (b) Fits, (c) pneumonia, (d) Fungal disease.
6686.

What is mean by probiotic yoghurt and other food stuff that are popular now a days?

Answer»

What is mean by probiotic yoghurt and other food stuff that are popular now a days?

6687.

The female genital pore of is located on which segment?

Answer»

The female genital pore of is located on which segment?


6688.

Choose the correct statement about grana from the following.

Answer»

Choose the correct statement about grana from the following.


6689.

Identify the microorganism and write its function. [2 MARKS]

Answer»

Identify the microorganism and write its function. [2 MARKS]

6690.

Animal without the larval stage or metamorphosis is

Answer»

Animal without the larval stage or metamorphosis is


6691.

Cardiac output is defined as

Answer»

Cardiac output is defined as


6692.

Correctly match list I with list II List−1 List−IIACollar boneiPectoral girdleBGlenoid cavityiiPelvic girdleCAcetabulumiiiPatellaDKnee capivClavicle

Answer»

Correctly match list I with list II
List1 ListIIACollar boneiPectoral girdleBGlenoid cavityiiPelvic girdleCAcetabulumiiiPatellaDKnee capivClavicle


6693.

Identify the feature shared by fungal cells, plant cells and certain bacteria

Answer»

Identify the feature shared by fungal cells, plant cells and certain bacteria


6694.

What is the specific tissue involved in increase in the thickness of a dicot root or stem?

Answer»

What is the specific tissue involved in increase in the thickness of a dicot root or stem?


6695.

Type of epithelium in which cells are tall and slender:

Answer»

Type of epithelium in which cells are tall and slender:


6696.

Select the option(s) which correctly identifiy(s) the structures labeled C and D and their characteristics and/or functions.

Answer»

Select the option(s) which correctly identifiy(s) the structures labeled C and D and their characteristics and/or functions.


6697.

Nowadays whenever Rahul comes back from school, he sees his 80 years old grandma having pain and stiffness, accompanied by swelling in her joints. Rahul's grandma is suffering from which disease?

Answer»

Nowadays whenever Rahul comes back from school, he sees his 80 years old grandma having pain and stiffness, accompanied by swelling in her joints. Rahul's grandma is suffering from which disease?


6698.

You need to make a transgenic animal which will produce a protein that dissolves blood clots. Which of the following transgenes will you use?

Answer»

You need to make a transgenic animal which will produce a protein that dissolves blood clots. Which of the following transgenes will you use?


6699.

Give examples of cells which are muti-nucleate (i.e. having many nuclei). [ 1 MARK]

Answer»

Give examples of cells which are muti-nucleate (i.e. having many nuclei). [ 1 MARK]

6700.

The major component of atmosphere on Mars is:

Answer»

The major component of atmosphere on Mars is: