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3351.

what is organic chemistry?

Answer» what is organic chemistry?
3352.

what processes would you consider essential for maintaining life

Answer»

what processes would you consider essential for maintaining life

3353.

C-reactive protein(a) when produced more in the body causes heart failure.(b) prevents us from having a good night’s sleep.(c) helps us to sleep peacefully.(d) assists in destroying natural killer cells.

Answer»

C-reactive protein



(a) when produced more in the body causes heart failure.



(b) prevents us from having a good night’s sleep.



(c) helps us to sleep peacefully.



(d) assists in destroying natural killer cells.

3354.

The amount of O2 required by bacteria in water to breakdown wastes into simple inorganic substances is called

Answer»

The amount of O2 required by bacteria in water to breakdown wastes into simple inorganic substances is called


3355.

Inhalation of air takes place through____

Answer»

Inhalation of air takes place through____



3356.

Which of the following glands respond to higher body temperature and release water to the skin surface?

Answer»

Which of the following glands respond to higher body temperature and release water to the skin surface?


3357.

Explanation of Mendel's di-hybrid cross .

Answer» Explanation of Mendel's di-hybrid cross .
3358.

The outermost covering of the brain is

Answer»

The outermost covering of the brain is


3359.

What is present in the microscopic cell organelles called chloroplasts which helps in the process of photosynthesis?

Answer»

What is present in the microscopic cell organelles called chloroplasts which helps in the process of photosynthesis?


3360.

The maximum type of nutritional diversity is found in

Answer»

The maximum type of nutritional diversity is found in



3361.

Name the cavity in which the lungs are enclosed? What is its function? [2 MARKS]

Answer»

Name the cavity in which the lungs are enclosed? What is its function? [2 MARKS]

3362.

Winged seeds are found in:

Answer»

Winged seeds are found in:

3363.

Plant respiration is slower than animal respiration. Suggest one reason for it.

Answer»

Plant respiration is slower than animal respiration. Suggest one reason for it.

3364.

___ is the unit of evolution.

Answer»

___ is the unit of evolution.

3365.

Briefly explain the process of blood clotting.

Answer» Briefly explain the process of blood clotting.
3366.

what are neurofibril

Answer» what are neurofibril
3367.

Cortisone is secreted by which endocrine gland?

Answer»

Cortisone is secreted by which endocrine gland?


3368.

The longest phase of Meiosis I is ______________ and it has _____ subphases.

Answer»

The longest phase of Meiosis I is ______________ and it has _____ subphases.


3369.

What determines the sex of a child?

Answer» What determines the sex of a child?
3370.

How many egg release from ovary during the of fertilization?if ovary release two why doesn't happen two fertilization

Answer» How many egg release from ovary during the of fertilization?if ovary release two why doesn't happen two fertilization
3371.

Why does constipation starts? How can it be cured?

Answer»

Why does constipation starts?

How can it be cured?

3372.

5 dry raisins were placed in each of the two beakers containing 50 mL of water. After four hours, the raisins were taken out and wiped. For calculating the percentage of water absorbed by raisins, the raisins should have been weighed:(1) only before placing in water(2) only after four hours of their being in water(3) both before and after placing in water(4) before and at intervals of every hours

Answer» 5 dry raisins were placed in each of the two beakers containing 50 mL of water. After four hours, the raisins were taken out and wiped. For calculating the percentage of water absorbed by raisins, the raisins should have been weighed:



(1) only before placing in water



(2) only after four hours of their being in water



(3) both before and after placing in water



(4) before and at intervals of every hours
3373.

Genetic engineering is__________.

Answer»

Genetic engineering is__________.


3374.

Which of the following is NOT an inherited character?

Answer»

Which of the following is NOT an inherited character?


3375.

All the animals can be divided into three groups on the basis of their eating habits. Name the three groups.

Answer»

All the animals can be divided into three groups on the basis of their eating habits. Name the three groups.

3376.

What are the common means by which diseases such as common cold and chickenpox spread?

Answer»

What are the common means by which diseases such as common cold and chickenpox spread?


3377.

A reflex action does NOT involve:

Answer»

A reflex action does NOT involve:



3378.

CO2 + H2O → C6H12O6 + O2 + H2OIs the given equation correct? If not, correct it.

Answer»

CO2 + H2O → C6H12O6 + O2 + H2O



Is the given equation correct? If not, correct it.



3379.

Consider the following statements about Diabetes: Which of the above statements is/are incorrect?

Answer»

Consider the following statements about Diabetes:

Which of the above statements is/are incorrect?


3380.

If in parthenogenesis there is no formation of zygote why it is said that it is universal in all sexually reproducing organisms?

Answer» If in parthenogenesis there is no formation of zygote why it is said that it is universal in all sexually reproducing organisms?
3381.

Question 23Observe the figure given and answer the questions that follow.(a) Label A and B.(b) Identify the process.(c) What happens during this process and what is formed?

Answer» Question 23

Observe the figure given and answer the questions that follow.



(a) Label A and B.

(b) Identify the process.

(c) What happens during this process and what is formed?
3382.

Choose the word which best fills the blank from the four options given. The village in the wake of the tsunami, was a terrifying ___ of a devastation.

Answer»

Choose the word which best fills the blank from the four options given.
The village in the wake of the tsunami, was a terrifying ___ of a devastation.


3383.

Cell X contains 24 chromosomes. It divides by mitosis to produce cells Y and Z. How many chromosomes does cell Z contain?

Answer»

Cell X contains 24 chromosomes. It divides by mitosis to produce cells Y and Z.

How many chromosomes does cell Z contain?


3384.

What is the function of the insulin hormone? What type of patients are given insulin injections?

Answer»

What is the function of the insulin hormone? What type of patients are given insulin injections?

3385.

Question 03(iii)The number of nuclei present in a zygote is _______.

Answer»

Question 03(iii)

The number of nuclei present in a zygote is _______.



3386.

All producers in a terrestrial and aquatic ecosystem are …………………

Answer»

All producers in a terrestrial and aquatic ecosystem are …………………



3387.

We need energy for__________.

Answer»

We need energy for__________.


3388.

The nephrons present in kidney has a double walled cup shaped structure known as

Answer»

The nephrons present in kidney has a double walled cup shaped structure known as


3389.

a woman with normal vision marries a man with normal vision and gives birth to colourblind son her husband dies and she marries a colourblind man. what is the pobability of her children having abnormality 1.50 % colourblind sons +50% colourblind daughters 2.All sons colourblind and daughter carriers 3.all daughter colourblind colourblind and all daughters normaland sons normal 4.50%sons colourblind and all daughters normal

Answer» a woman with normal vision marries a man with normal vision and gives birth to colourblind son her husband dies and she marries a colourblind man. what is the pobability of her children having abnormality 1.50 % colourblind sons +50% colourblind daughters 2.All sons colourblind and daughter carriers 3.all daughter colourblind colourblind and all daughters normaland sons normal 4.50%sons colourblind and all daughters normal
3390.

What is archaebacteria

Answer» What is archaebacteria
3391.

Question 7Plasmolysis in a plant cell is defined as(a) break down (lysis) of the plasma membrane in hypotonic medium(b) shrinkage of cytoplasm in a hypertonic medium(c) shrinkage of nucleoplasm(d) none of the above

Answer»

Question 7

Plasmolysis in a plant cell is defined as



(a) break down (lysis) of the plasma membrane in hypotonic medium

(b) shrinkage of cytoplasm in a hypertonic medium

(c) shrinkage of nucleoplasm

(d) none of the above



3392.

Identify the following processes in the diagrams below;

Answer»

Identify the following processes in the diagrams below;


3393.

In evolutionary terms, we have more in common with:

Answer»

In evolutionary terms, we have more in common with:


3394.

For the composting to be efficient, what should be the nature of the organic content being used?

Answer»

For the composting to be efficient, what should be the nature of the organic content being used?

3395.

Why is aspirin and dispirin not advised to be taken during dengue??

Answer» Why is aspirin and dispirin not advised to be taken during dengue??
3396.

Does parasitic nutrition involve intracellular digestion

Answer»

Does parasitic nutrition involve intracellular digestion

3397.

_______ are animals that neither possess nor develop a vertebral column.

Answer»

_______ are animals that neither possess nor develop a vertebral column.



3398.

Binary fission occurs in

Answer»

Binary fission occurs in



3399.

Out of photosynthesis and respiration in plants, which process occurs : (a) all the time ? (b) only at daytime ?

Answer»

Out of photosynthesis and respiration in plants, which process occurs :
(a) all the time ?
(b) only at daytime ?

3400.

What is the characteristic test for nitrogen gas???

Answer» What is the characteristic test for nitrogen gas???