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4401.

Which of the following is not clearly noticeable in birds?

Answer»

Which of the following is not clearly noticeable in birds?


4402.

Name the process and the organ which helps in removing the following wastes from the body.(a) Carbon dioxide(b) Undigested food(c) Urine(d) Sweat

Answer»

Name the process and the organ which helps in removing the following wastes from the body.

(a) Carbon dioxide

(b) Undigested food

(c) Urine

(d) Sweat



4403.

Name the dead components of xylem which form wood and does not participate in transport

Answer»

Name the dead components of xylem which form wood and does not participate in transport

4404.

what is preesent in cochlea?

Answer»

what is preesent in cochlea?

4405.

Q8. Consider the following statements about Noctiluca: 1. A warming ocean means greater temperature differences among layers of the sea water and this slows the upward transport of nutrients like silicate from the ocean bottom, lowering its concentration at the surface. 2. Noctiluca consumes one of the most important planktonic organisms at the base of the fish-food chain, namely diatoms, and also excretes large amounts of ammonia, which is linked with massive fish mortalities. Which of the above statements are correct?

Answer»

Q8. Consider the following statements about Noctiluca:

1. A warming ocean means greater temperature differences among layers of the sea water and this slows the upward transport of nutrients like silicate from the ocean bottom, lowering its concentration at the surface.

2. Noctiluca consumes one of the most important planktonic organisms at the base of the fish-food chain, namely diatoms, and also excretes large amounts of ammonia, which is linked with massive fish mortalities.

Which of the above statements are correct?


4406.

List the types of animal tissues based on the functions performed by them. [2 MARKS]

Answer»

List the types of animal tissues based on the functions performed by them. [2 MARKS]

4407.

what happens in initiation of clevage explain in detail

Answer» what happens in initiation of clevage explain in detail
4408.

Define vaccination.

Answer» Define vaccination.
4409.

Give name for the following Synthesis of plasma membrane

Answer» Give name for the following Synthesis of plasma membrane
4410.

The tiny pores in leaves for the exchange of gases are_____.

Answer»

The tiny pores in leaves for the exchange of gases are_____.


4411.

State the major functions of the following : (a) Plasma membrane (b) Ribosome (c) Lysosome (d) Mitochondria (e) Golgi apparatus (f) Cytoplasm (g) Asters of centrosome (h) Chromosomes (i) Glycogen granule (j) Vacuoles

Answer»

State the major functions of the following :
(a) Plasma membrane
(b) Ribosome
(c) Lysosome
(d) Mitochondria
(e) Golgi apparatus
(f) Cytoplasm
(g) Asters of centrosome
(h) Chromosomes
(i) Glycogen granule
(j) Vacuoles

4412.

The reproductive part of an angiospermic plant is:

Answer»

The reproductive part of an angiospermic plant is:


4413.

Transpiration is a necessary evil. Justify

Answer» Transpiration is a necessary evil. Justify
4414.

Who has described the idea of evolution in book "The origin of species"

Answer»

Who has described the idea of evolution in book "The origin of species"

4415.

give an account of some important diseases of human beings.

Answer»

give an account of some important diseases of human beings.

4416.

Cortisol is secreted from

Answer»

Cortisol is secreted from


4417.

Explain molarity and molality in detail with ex. Also differentiate between them.

Answer» Explain molarity and molality in detail with ex. Also differentiate between them.
4418.

Which of the following is most abundant mineral in animal body:

Answer» Which of the following is most abundant mineral in animal body:
4419.

Enlist different hormones released by pituitary gland and also state the function of each hormone.

Answer»

Enlist different hormones released by pituitary gland and also state the function of each hormone.



4420.

P is present in developing fruits and seeds and it promotes cell division. Y is responsible for wilting of leaves as it inhibits growth. Identify P and Y.

Answer»

P is present in developing fruits and seeds and it promotes cell division. Y is responsible for wilting of leaves as it inhibits growth.
Identify P and Y.


4421.

Which of the following is the function of synvoial membrane?

Answer»

Which of the following is the function of synvoial membrane?


4422.

Question 20The muscular tissue which functions throughout the life continuously without fatigue is(a) Skeletal muscle(b) Cardiac muscle(c) Smooth muscle(d) Voluntary muscle

Answer»

Question 20

The muscular tissue which functions throughout the life continuously without fatigue is




(a) Skeletal muscle

(b) Cardiac muscle

(c) Smooth muscle

(d) Voluntary muscle



4423.

Ram wants to culture different species of fishes together in a single pond. So, he cultured five species of fishes that feed on different zones of the pond as shown in the depicted figure. Identify the other three species of fishes A, B and C in the given figure.

Answer»

Ram wants to culture different species of fishes together in a single pond. So, he cultured five species of fishes that feed on different zones of the pond as shown in the depicted figure. Identify the other three species of fishes A, B and C in the given figure.


4424.

Sweat consists of:

Answer»

Sweat consists of:


4425.

What is sorter’s disease? Which microorganism is responsible for this disease?

Answer»

What is sorter’s disease? Which microorganism is responsible for this disease?



4426.

Living organisms require ___ to create proteins and nucleic acids in their body.

Answer» Living organisms require ___ to create proteins and nucleic acids in their body.
4427.

Out of the following, which one is an example of a molecule of a compound?

Answer»

Out of the following, which one is an example of a molecule of a compound?


4428.

What is the meaning of 70s ribosomes?

Answer» What is the meaning of 70s ribosomes?
4429.

Question 33 Suggest any four activities in daily life which are eco-friendly.

Answer»

Question 33
Suggest any four activities in daily life which are eco-friendly.

4430.

If the organisation of cell is destroyed due to some physical or chemical influence what will happens

Answer»

If the organisation of cell is destroyed due to some physical or chemical influence what will happens

4431.

Identify the odd word out and say why it is the odd one?a. Pneumonia, diphtheria, chicken pox, cholera.b. Lactobacilli, Rhizobia, Yeast, Clostridia.c. Root rot, Rust (tambera), Rubella, Mozaic.

Answer»
Identify the odd word out and say why it is the odd one?




a. Pneumonia, diphtheria, chicken pox, cholera.


b. Lactobacilli, Rhizobia, Yeast, Clostridia.


c. Root rot, Rust (tambera), Rubella, Mozaic.
4432.

paddle saddle cradle down clown sound round school pool rule cool tool

Answer»























paddle saddle cradle
down clown sound round
school pool rule cool tool
4433.

Farming of marine fishes is called as _________ and farming of inland fishes is called as __________ .

Answer»

Farming of marine fishes is called as _________ and farming of inland fishes is called as __________ .



4434.

(4) 80Air contains 23% oxygen and 77 % nitrogen byweight. The percentage of O, by volume is(3) 60(1) 28.1(2) 20.723.0E(3) 21.8Whon tho tomnoratura of cortain carnl

Answer» (4) 80Air contains 23% oxygen and 77 % nitrogen byweight. The percentage of O, by volume is(3) 60(1) 28.1(2) 20.723.0E(3) 21.8Whon tho tomnoratura of cortain carnl
4435.

How does the Meteorological Department of a country help the nation? [5 MARKS]

Answer»

How does the Meteorological Department of a country help the nation? [5 MARKS]

4436.

What is precipitation

Answer» What is precipitation
4437.

Name any two diseases caused by bacteria.

Answer» Name any two diseases caused by bacteria.
4438.

Match the following details of Cartilage with their terms : Column IColumn II1. Outer covering layer of cartilagea. Chondroitin2. Cells of cartilageb. Chondrin3. Locatione space of cells in cartilagec. Perichondrium 4. Matrix of cartilaged. Chondrocytes5. Protein in cartilagee. Lacunae

Answer»

Match the following details of Cartilage with their terms :

Column IColumn II1. Outer covering layer of cartilagea. Chondroitin2. Cells of cartilageb. Chondrin3. Locatione space of cells in cartilagec. Perichondrium 4. Matrix of cartilaged. Chondrocytes5. Protein in cartilagee. Lacunae


4439.

Why is the nucleus is called as Controller of the cell? Name the parts of the nucleus and state its function.

Answer»
Why is the nucleus is called as Controller of the cell? Name the parts of the nucleus and state its function.




4440.

when we inhale air what helps us to separate oxygen from several other gases present in atmosphere?

Answer» when we inhale air what helps us to separate oxygen from several other gases present in atmosphere?
4441.

Find out the source of water in your region/locality. Is water from this source available to all people living in that area?

Answer»

Find out the source of water in your region/locality. Is water from this source available to all people living in that area?

4442.

Loreal pit in vipers act as which receptor?

Answer»

Loreal pit in vipers act as which receptor?



4443.

Sex organs are absent in I. Basidiomycetes II. Ascomycetes III. zygomycetes IV. Deuteromycetes

Answer»

Sex organs are absent in
I. Basidiomycetes II. Ascomycetes III. zygomycetes IV. Deuteromycetes


4444.

Some plants are green and have chlorophyll, even then they feed on insects for their survival. Why?

Answer»

Some plants are green and have chlorophyll, even then they feed on insects for their survival. Why?

4445.

What do you understand about Intrinsic and Extrinsic factors of disease? [ 5 MARKS ]

Answer»

What do you understand about Intrinsic and Extrinsic factors of disease? [ 5 MARKS ]

4446.

Differentiate between plant tissues and animal tissues.

Answer»

Differentiate between plant tissues and animal tissues.

4447.

What are the major divisions in the Plantae? What is the basis for these divisions?

Answer» What are the major divisions in the Plantae? What is the basis for these divisions?
4448.

The tricuspid valve guards the opening between the _______ and the _______, while the bicuspid valve guards the opening between the _______ and the _______ The information in which alternative completes the given statement?

Answer»

The tricuspid valve guards the opening between the _______ and the _______, while the bicuspid valve guards the opening between the _______ and the _______

The information in which alternative completes the given statement?


4449.

Question 7 What are the problems caused by non-biodegradable wastes that we generate?

Answer»

Question 7
What are the problems caused by non-biodegradable wastes that we generate?

4450.

The driving force of water molecules during osmosis is due to ___ gradient.

Answer»

The driving force of water molecules during osmosis is due to ___ gradient.