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1351.

Plants that have naked embryos and vascular tissue are called:

Answer»

Plants that have naked embryos and vascular tissue are called:


1352.

Question 6The disease caused by a protozoan and spread by an insect is ___.(a) dengue(b) malaria(c) polio (d) measles

Answer» Question 6

The disease caused by a protozoan and spread by an insect is ___.



(a) dengue

(b) malaria

(c) polio

(d) measles

1353.

__ is a suspension of disease-producing microorganism, modified by killing or weakening.

Answer»

__ is a suspension of disease-producing microorganism, modified by killing or weakening.

1354.

What are A, B, C and D in the given figure?

Answer»

What are A, B, C and D in the given figure?


1355.

Biomacromolecules are acid ___ .

Answer»

Biomacromolecules are acid ___ .

1356.

How does a cockroach can fly

Answer»

How does a cockroach can fly

1357.

Which type of waste has to added to tar to create water repellant roads?

Answer»

Which type of waste has to added to tar to create water repellant roads?


1358.

Question 2Why is it necessary to separate oxygenated and deoxygenated blood in mammals and birds?

Answer»

Question 2

Why is it necessary to separate oxygenated and deoxygenated blood in mammals and birds?



1359.

Question 7Which one of the following species of honey bee is an Italian species?(a) Apis dorsata(b) Apis florae(c) Apis cerana indica(d) Apis mellifera

Answer»

Question 7

Which one of the following species of honey bee is an Italian species?



(a) Apis dorsata

(b) Apis florae

(c) Apis cerana indica

(d) Apis mellifera



1360.

Which one of the following species has plane triangular shape? a. N_{3 } b. NO_3^- c. NO_2^- d. CO_2

Answer» Which one of the following species has plane triangular shape? a. N_{3 } b. NO_3^- c. NO_2^- d. CO_2
1361.

What do we call the organisms that can interbreed and produce fertile offsprings?

Answer»

What do we call the organisms that can interbreed and produce fertile offsprings?


1362.

On fast heating CaCO3 gives what products?

Answer» On fast heating CaCO3 gives what products?
1363.

Which of the following is/are not heterotrophs?

Answer»

Which of the following is/are not heterotrophs?


1364.

How are microbes helpful in cleaning the environment? Explain.

Answer» How are microbes helpful in cleaning the environment? Explain.
1365.

Define inland fisheries.

Answer»

Define inland fisheries.

1366.

Frog breaths through

Answer»

Frog breaths through


1367.

Four difference between Diabetes mellitus and diabetes insipidus

Answer» Four difference between Diabetes mellitus and diabetes insipidus
1368.

what is the difference between spasm and te†an y

Answer» what is the difference between spasm and te†an y
1369.

What is intensity of light

Answer» What is intensity of light
1370.

Which is the hard porous tissue that has a good supply of blood vessels and nerves and also consists of both living cells and rigid mass of inorganic salt?

Answer»

Which is the hard porous tissue that has a good supply of blood vessels and nerves and also consists of both living cells and rigid mass of inorganic salt?

1371.

Coelom, the cavity between the alimentary canal and the body wall is enclosed by

Answer»

Coelom, the cavity between the alimentary canal and the body wall is enclosed by



1372.

Draw diagram of (i) nitrogen cycle; (ii) carbon cycle.

Answer»

Draw diagram of (i) nitrogen cycle; (ii) carbon cycle.



1373.

What does the equation given below represent? C6H12O6+6O2⟶6CO2+6H2O+Energy

Answer»

What does the equation given below represent?

C6H12O6+6O26CO2+6H2O+Energy


1374.

What are microorganisms?

Answer» What are microorganisms?
1375.

Give the full form of NDDB.

Answer»

Give the full form of NDDB.

1376.

What do you mean by immediate cause of disease ?

Answer»

What do you mean by immediate cause of disease ?

1377.

Different function of vacuole in plants and animal

Answer» Different function of vacuole in plants and animal
1378.

What are the types of teeth present in humans?

Answer» What are the types of teeth present in humans?
1379.

What are the advantages for composite fish culture?

Answer»

What are the advantages for composite fish culture?

1380.

Choose the correct option regarding the structure of chloroplast based on the statments given.Statement 1: The fluid part of the chloroplast is the stroma lamellae.Statement 2: The membranous sacs arranged one above the other form the grana.Statement 3: The membrane bound structures joining the grana are the stroma.

Answer»

Choose the correct option regarding the structure of chloroplast based on the statments given.


Statement 1: The fluid part of the chloroplast is the stroma lamellae.



Statement 2: The membranous sacs arranged one above the other form the grana.



Statement 3: The membrane bound structures joining the grana are the stroma.



1381.

Which part of the brain maintains posture and equilibrium of the body?

Answer» Which part of the brain maintains posture and equilibrium of the body?
1382.

Question 11Tasty food is not always nutritious and nutritious food may not always be tasty to eat. Comment with examples.

Answer»

Question 11



Tasty food is not always nutritious and nutritious food may not always be tasty to eat. Comment with examples.



1383.

What is matrix in connective tissue and what it is composed of?

Answer» What is matrix in connective tissue and what it is composed of?
1384.

Identify me.a. I am diploblastic & acoelomate. Which phylum do I belong to?b. My body is radially symmetrical. Water vascular system is present in my body. I am referred as fish though I am not. What is my name?c. I live in your small intestine. Pseudocoelom is present in my thread like body. In which phylum will you include me?d. Though I am multicellular, there are no tissues in my body. What is the name of my phylum?

Answer»

Identify me.
a. I am diploblastic & acoelomate. Which phylum do I belong to?
b. My body is radially symmetrical. Water vascular system is present in my body. I am referred as fish though I am not. What is my name?
c. I live in your small intestine. Pseudocoelom is present in my thread like body. In which phylum will you include me?
d. Though I am multicellular, there are no tissues in my body. What is the name of my phylum?

1385.

Identify the organism that requires highest amount of energy.

Answer»

Identify the organism that requires highest amount of energy.

1386.

Which of the following floral parts form the pericarp after fertilisation?

Answer»

Which of the following floral parts form the pericarp after fertilisation?



1387.

Which of the following is an effect of waste accumulation?

Answer»

Which of the following is an effect of waste accumulation?



1388.

Suma's mother bought an umbrella like structure to prepare gravy . Identify: a) what is that structure? b) to which kingdom does it belong to? c) write two characteristic features of the organism belonging to this kingdom ​​​​​​​​​

Answer» Suma's mother bought an umbrella like structure to prepare gravy . Identify:
a) what is that structure?
b) to which kingdom does it belong to?
c) write two characteristic features of the organism belonging to this kingdom
​​​​​​​​​
1389.

Why humans can't digest cellulose

Answer»

Why humans can't digest cellulose

1390.

Which type of improvements can be implemented in food resources?

Answer» Which type of improvements can be implemented in food resources?
1391.

Question 23Write the common food chain of a pond ecosystem.

Answer»

Question 23

Write the common food chain of a pond ecosystem.



1392.

Write down the names of three types of endocytosis.

Answer»

Write down the names of three types of endocytosis.

1393.

Question 19Give two examples for each of the following(a) Acute diseases(b) Chronic diseases(c) Infectious diseases(d) Non-infectious diseases

Answer»

Question 19

Give two examples for each of the following


(a) Acute diseases

(b) Chronic diseases

(c) Infectious diseases

(d) Non-infectious diseases



1394.

How much positive charge present in molecules of H2o Define emf of a cell

Answer» How much positive charge present in molecules of H2o Define emf of a cell
1395.

What is dipole and dipole movment?

Answer» What is dipole and dipole movment?
1396.

Which of the following is not a macro nutrient?

Answer»

Which of the following is not a macro nutrient?



1397.

Echinos means_______ and derma means______ in case of Echinodermata.

Answer»

Echinos means_______ and derma means______ in case of Echinodermata.



1398.

How bee colony works ? What values can be seen in the organisation of bee colony ?

Answer»

How bee colony works ? What values can be seen in the organisation of bee colony ?

1399.

____ helps in the protection of gastric mucosa from hydrochloric acid.

Answer»

____ helps in the protection of gastric mucosa from hydrochloric acid.


1400.

Identify the process based on the given characteristics: (1) Light is produced (2) Occurs at high temperature (3) Physico-chemical process

Answer»

Identify the process based on the given characteristics:

(1) Light is produced

(2) Occurs at high temperature

(3) Physico-chemical process