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101.

Question 3 Explain the basis for grouping organisms into five kingdoms.

Answer» Question 3
Explain the basis for grouping organisms into five kingdoms.
102.

Crop variety improvement is done to achieve which of the following objectives?

Answer»

Crop variety improvement is done to achieve which of the following objectives?

103.

Match the following: Column I Column II i. Larynx a. Air sacs ii.Trachea b. Lid of larynx iii. Alveoli c. Voice box iv. Epiglottis d. Windpipe

Answer»

Match the following:

Column I Column II

i. Larynx a. Air sacs

ii.Trachea b. Lid of larynx
iii. Alveoli c. Voice box

iv. Epiglottis d. Windpipe


104.

Enumerate locomotory organs of annelids ?

Answer»

Enumerate locomotory organs of annelids ?

105.

How dose the average temperature of Earth remain fairly steady?

Answer»

How dose the average temperature of Earth remain fairly steady?

106.

The inactivity of embryo in a mature seed is called __.

Answer»

The inactivity of embryo in a mature seed is called __.

107.

Which one of the feature is not associated with C4 PLANTS?

Answer»

Which one of the feature is not associated with C4 PLANTS?


108.

Tick the odd one out.1. dix, six, vingt, trente2. chien, singe, oiseau, chat3. les, l', avons, la4. un, une, le, des5. chat, souris, escargots, tortue

Answer» Tick the odd one out.

1. dix, six, vingt, trente

2. chien, singe, oiseau, chat

3. les, l', avons, la

4. un, une, le, des

5. chat, souris, escargots, tortue
109.

Q5. Which kind of plastid will be present in leaves, roots and flowers?

Answer»

Q5. Which kind of plastid will be present in leaves, roots and flowers?

110.

Difference between plant and animal cell. (give 8 point)

Answer»

Difference between plant and animal cell. (give 8 point)

111.

The important biomolecule found inside the nucleus is

Answer»

The important biomolecule found inside the nucleus is


112.

Which of the following conditions cause erythroblastosis foetalis?

Answer»

Which of the following conditions cause erythroblastosis foetalis?

113.

Before setting up an experiment to show that seeds release carbon dioxide during respiration, the seeds should be:(1) dried completely(2) boiled to make them soft(3) soaked in potassium hydroxide solution(4) kept moist till they germinate

Answer» Before setting up an experiment to show that seeds release carbon dioxide during respiration, the seeds should be:

(1) dried completely

(2) boiled to make them soft

(3) soaked in potassium hydroxide solution

(4) kept moist till they germinate
114.

Who performed the first human-to-human heart transplantation?

Answer»

Who performed the first human-to-human heart transplantation?


115.

What is mean by desmosomes ?

Answer» What is mean by desmosomes ?
116.

While preparing a temporary mount of cheek cell, what happens to the excess of glycerine.

Answer»

While preparing a temporary mount of cheek cell, what happens to the excess of glycerine.

117.

Entamoeba histolytica causes the destruction of the lining of the

Answer»

Entamoeba histolytica causes the destruction of the lining of the


118.

Why is the cell called the structural and functional unit of life?

Answer»

Why is the cell called the structural and functional unit of life?



119.

Two HIV students anu and nikhil are expelled from school.only after the intervention of NGO they were re admitted what is your viewpoint about both the steps taken by school and NGO?

Answer» Two HIV students anu and nikhil are expelled from school.only after the intervention of NGO they were re admitted
what is your viewpoint about both the steps taken by school and NGO?
120.

Which of the following is not a characteristic of smooth endoplasmic reticulum?

Answer»

Which of the following is not a characteristic of smooth endoplasmic reticulum?



121.

The given illustration represents a type of muscle. The type of muscle shown in the given illustration is likely to be found in the

Answer»

The given illustration represents a type of muscle.

The type of muscle shown in the given illustration is likely to be found in the


122.

Name two diseases caused by Protozoans. What are their causal organisms?

Answer» Name two diseases caused by Protozoans. What are their causal organisms?
123.

Represent 8.08 on a number line.

Answer»

Represent 8.08 on a number line.

124.

Question 11Will a leaf taken from a potted plant kept in a dark room for a few days turn blue-black when tested for starch? Give reason for your answer.

Answer»

Question 11



Will a leaf taken from a potted plant kept in a dark room for a few days turn blue-black when tested for starch? Give reason for your answer.



125.

Name the types of epithelial tissues.

Answer»

Name the types of epithelial tissues.



126.

Name any inexhaustible natural resource.

Answer»

Name any inexhaustible natural resource.

127.

All of the following are nutrients found in our food except

Answer»

All of the following are nutrients found in our food except


128.

__is important for breaking down food into nutrients, which the body uses for energy, growth, and cell repair.

Answer»

__is important for breaking down food into nutrients, which the body uses for energy, growth, and cell repair.

129.

State the significance of osmosis (real-life examples that use osmosis). (3 examples)

Answer»

State the significance of osmosis (real-life examples that use osmosis). (3 examples)

130.

Which of the following organism cause acne?

Answer»

Which of the following organism cause acne?


131.

What happens to the working efficiency of enzymes at very low temperature?

Answer»

What happens to the working efficiency of enzymes at very low temperature?


132.

Match the following parts of the ear with functions Column IColumn IIi. Pinnaa. Collects Vibrations in the airii. Cochleab. Region between Pinna and eardrumiii. Meatusc. Transfers vibrations to ear ossiclesiv. Tympanic membraned. Translates sound to nerve impulsesv. Eustachian tubee. Equalises pressure between the inner and outer ear

Answer»

Match the following parts of the ear with functions

Column IColumn IIi. Pinnaa. Collects Vibrations in the airii. Cochleab. Region between Pinna and eardrumiii. Meatusc. Transfers vibrations to ear ossiclesiv. Tympanic membraned. Translates sound to nerve impulsesv. Eustachian tubee. Equalises pressure between the inner and outer ear
133.

Which of the following cannot be used in organic farming

Answer»

Which of the following cannot be used in organic farming


134.

How can you distinguish between generalisation and discrimination?

Answer»

How
can you distinguish between
generalisation and
discrimination?

135.

What is the abbreviation of 'H' in the H-zone of skeletal muscle?And what is the exact location and function of it( H- Zone)?

Answer» What is the abbreviation of 'H' in the H-zone of skeletal muscle?
And what is the exact location and function of it( H- Zone)?
136.

are symptoms of chicken pox are 1st seen in face?

Answer» are symptoms of chicken pox are 1st seen in face?
137.

Which of the following is not a function of nose or nasal chambers?

Answer»

Which of the following is not a function of nose or nasal chambers?


138.

Explain the general characters of phylum Mollusca. Give one example of following classes of Mollusca; (i) Gastropoda; (ii) Pelecypoda; (iii) Cephalopoda.

Answer»

Explain the general characters of phylum Mollusca. Give one example of following classes of Mollusca; (i) Gastropoda; (ii) Pelecypoda; (iii) Cephalopoda.

139.

Question 1Choose the correct statement with respect to unicellular organisms:(a) in unicellular organisms, tissues work in co-ordination to perform different functions.(b) unicellular organisms do not require food.(c) unicellular organisms respire and reproduce.(d) all unicellular organisms move by cilia.

Answer» Question 1

Choose the correct statement with respect to unicellular organisms:



(a) in unicellular organisms, tissues work in co-ordination to perform different functions.

(b) unicellular organisms do not require food.

(c) unicellular organisms respire and reproduce.

(d) all unicellular organisms move by cilia.
140.

What is roughage ? Give two examples.

Answer»

What is roughage ? Give two examples.



141.

Question 8Unscramble the jumbled words underlined in the following statements.(a) Cells of our body produce santiidobe to fight pathogens.(b) curbossulite is an air-borne disease caused by a bacterium.(c) Xanrhat is a dangerous bacterial disease.(d) Yeasts are used in the wine industry because of their property of meronettinaf.

Answer» Question 8

Unscramble the jumbled words underlined in the following statements.



(a) Cells of our body produce santiidobe to fight pathogens.

(b) curbossulite is an air-borne disease caused by a bacterium.

(c) Xanrhat is a dangerous bacterial disease.

(d) Yeasts are used in the wine industry because of their property of meronettinaf.
142.

Why amphibians are present close to the water bodies ?

Answer»

Why amphibians are present close to the water bodies ?

143.

Correct pathway of water movement in plant roots is:

Answer»

Correct pathway of water movement in plant roots is:


144.

find out the work done for the given cell Cr\vert Cr^{+3}\vert\vert Fe^{+2}\vert Fe {E^0}_{Cr/Cr^{3+}}=0.74V;{E^0}_{Fe^{2+}/Fe}=-0.44

Answer» find out the work done for the given cell Cr\vert Cr^{+3}\vert\vert Fe^{+2}\vert Fe {E^0}_{Cr/Cr^{3+}}=0.74V;{E^0}_{Fe^{2+}/Fe}=-0.44
145.

Which of the following is a viral disease?

Answer»

Which of the following is a viral disease?



146.

Whatare the advantages of composite fish culture?

Answer»

What
are the advantages of composite fish culture?

147.

The wheel of a cart is making 5 revolutions per second. If the diameter of the wheel is 84 cm, find its speed in km/hr. Give your answer correct to the nearest km.

Answer»

The wheel of a cart is making 5 revolutions per second. If the diameter of the wheel is 84 cm, find its speed in km/hr. Give your answer correct to the nearest km.

148.

The total concentration of dissolved particles inside red blood cells is approximately 0.40 M, and the membrane surrounding the cells is semipermeable. What would be the osmotic pressure (in the atmosphere) inside the cells become if the cells were removed from the blood plasma and placed in pure water at 298 K?

Answer»

The total concentration of dissolved particles inside red blood cells is approximately 0.40 M, and the membrane surrounding the cells is semipermeable. What would be the osmotic pressure (in the atmosphere) inside the cells become if the cells were removed from the blood plasma and placed in pure water at 298 K?

149.

The hormone named ___ prepares the body for fight or flight.

Answer» The hormone named ___ prepares the body for fight or flight.
150.

why some insect can walk in water? explain in detail

Answer» why some insect can walk in water? explain in detail