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2201.

Identify the meristem that helps in increasing the girth of stems and roots.

Answer»

Identify the meristem that helps in increasing the girth of stems and roots.

2202.

Why for 100ml of oxygenated blood only 5 ml of O2 is dilivered to tissue in normal Physiological conditions ?

Answer» Why for 100ml of oxygenated blood only 5 ml of O2 is dilivered to tissue in normal Physiological conditions ?
2203.

Difference between single unit and multi unit of smooth muscles?

Answer» Difference between single unit and multi unit of smooth muscles?
2204.

Natural habitat can be protected by creating-

Answer»

Natural habitat can be protected by creating-


2205.

Which of the following statements is true?

Answer»

Which of the following statements is true?


2206.

The farming technique in which there is no or minimal use of chemical fertilisers, herbicides, and insecticides is called___ farming.

Answer»

The farming technique in which there is no or minimal use of chemical fertilisers, herbicides, and insecticides is called___ farming.

2207.

Fill in the blanks(a) Many skin diseases are caused by___.(b) Living organisms carrying the infecting agents from one person to another are called ____.

Answer»

Fill in the blanks



(a) Many skin diseases are caused by___.

(b) Living organisms carrying the infecting agents from one person to another are called ____.



2208.

Explain why the following are made of thermosetting plastics.​(a) Saucepan handles​(b) Electric plugs/switches/plug boards

Answer» Explain why the following are made of thermosetting plastics.​

(a) Saucepan handles​

(b) Electric plugs/switches/plug boards
2209.

Why is cell wall absent in animal cell

Answer»

Why is cell wall absent in animal cell

2210.

Which of the following is not a healthy habit?

Answer»

Which of the following is not a healthy habit?


2211.

between NH3 and PH3 which is more liquifiable ? why

Answer» between NH3 and PH3 which is more liquifiable ? why
2212.

What is the flow cart of digestion

Answer» What is the flow cart of digestion
2213.

The chemical reactions which proceed with the absorption of light energy are called _______ reactions.

Answer»

The chemical reactions which proceed with the absorption of light energy are called _______ reactions.


2214.

Rod shaped bacteria are called as

Answer»

Rod shaped bacteria are called as

2215.

Starch digesting enzymes are produced in

Answer»

Starch digesting enzymes are produced in


2216.

What does porifera do throughout therir life cycle

Answer» What does porifera do throughout therir life cycle
2217.

How many ATP does 1 glucose contain

Answer»

How many ATP does 1 glucose contain

2218.

Like snake-charmers, what other people depend on animals for their livelihood?

Answer» Like snake-charmers, what other people depend on animals for their livelihood?
2219.

Can bacteria break down plastics?

Answer» Can bacteria break down plastics?
2220.

Ques: Give in detail about ' Health & Hygiene ' under following topic: 1) communicable or infectious diseases Note : topic can be presented in the form flowchart a tabular form.

Answer»

Ques: Give in detail about ' Health & Hygiene ' under following topic:

1) communicable or infectious diseases

Note : topic can be presented in the form flowchart a tabular form.

2221.

What if a lysosmes get infected by other particles and did not work so what will happen

Answer»

What if a lysosmes get infected by other particles and did not work so what will happen

2222.

On a daily basis, our food consists of cereals, pulses, vegetable and fruits. Why do we consume different variety of food material?

Answer»

On a daily basis, our food consists of cereals, pulses, vegetable and fruits. Why do we consume different variety of food material?



2223.

Bacteria do not have chloroplast but some bacteria are photoautotrophic in nature and perform photosynthesis. Which part of bacterial cell performs this? [2 MARKS]

Answer»

Bacteria do not have chloroplast but some bacteria are photoautotrophic in nature and perform photosynthesis. Which part of bacterial cell performs this? [2 MARKS]

2224.

The largest bone in the human body is the

Answer»

The largest bone in the human body is the


2225.

What is mixed cropping

Answer» What is mixed cropping
2226.

Penicillin was discovered by Alexander Fleming in September 1928. Which organism did he obtain it from?

Answer»

Penicillin was discovered by Alexander Fleming in September 1928. Which organism did he obtain it from?


2227.

Question 12In Rhizopus, tubular thread-like structures bearing sporangia at their tips are called(a) filaments(b) hyphae(c) rhizoids(d) roots

Answer»

Question 12

In Rhizopus, tubular thread-like structures bearing sporangia at their tips are called



(a) filaments

(b) hyphae

(c) rhizoids

(d) roots



2228.

The boundary of an onion cell is the ___ .

Answer» The boundary of an onion cell is the ___ .
2229.

How to grow tall?

Answer»

How to grow tall?

2230.

Question 50What are reflex actions? Give two examples. Explain a reflex arc.

Answer»

Question 50

What are reflex actions? Give two examples. Explain a reflex arc.



2231.

derivation of cebtripital forc

Answer» derivation of cebtripital forc
2232.

Mention differences between light microscope and electron microscope

Answer»

Mention differences between light microscope and electron microscope

2233.

What is full form of WHO?

Answer»

What is full form of WHO?

2234.

Question 6The process of nitrogen-fixation by bacteria does not take place in the presence of:(a) molecular form of hydrogen(b) elemental form of oxygen(c) water(d) elemental form of nitrogen

Answer»

Question 6

The process of nitrogen-fixation by bacteria does not take place in the presence of:




(a) molecular form of hydrogen

(b) elemental form of oxygen

(c) water

(d) elemental form of nitrogen



2235.

Animal-based farming includes management of:

Answer»

Animal-based farming includes management of:


2236.

Which amongst the following is an antibiotic?

Answer»

Which amongst the following is an antibiotic?



2237.

Name the most advantageous fish culture system.

Answer»

Name the most advantageous fish culture system.

2238.

Distinguish between xylem and phloem.

Answer»

Distinguish between xylem and phloem.

2239.

In a large cylindrical water tank, water is coming outfrom a small hole at the bottom of the tank. It takesalmost 7 minute to empty half of the tank. Theapproximate further time in which the tank emptiescompletely is

Answer» In a large cylindrical water tank, water is coming outfrom a small hole at the bottom of the tank. It takesalmost 7 minute to empty half of the tank. Theapproximate further time in which the tank emptiescompletely is
2240.

why blood and bones are called connective tissue ?

Answer» why blood and bones are called connective tissue ?
2241.

Which type of epithelial tissue is present in the cornea of the eye?

Answer»

Which type of epithelial tissue is present in the cornea of the eye?

2242.

“ The biosphere is dynamic but stable system.” Justify.

Answer» “ The biosphere is dynamic but stable system.” Justify.
2243.

Two functions of Rough Endoplasmic Reticulum.

Answer»

Two functions of Rough Endoplasmic Reticulum.

2244.

ntWhat is the difference between tautomerism and functional isomerism. Is tautomerism a type of functional isomerism ?n ntn

Answer» ntWhat is the difference between tautomerism and functional isomerism. Is tautomerism a type of functional isomerism ?n ntn
2245.

But a scorpion is having eyes to see but then why it is using its legs to find its prey

Answer» But a scorpion is having eyes to see but then why it is using its legs to find its prey
2246.

Consider the following statements: Which of the above statements is/are correct?

Answer»

Consider the following statements:

Which of the above statements is/are correct?


2247.

The smallest unit of a kidney which is responsible for the removal of nitrogenous wastes from the blood is ____.

Answer»

The smallest unit of a kidney which is responsible for the removal of nitrogenous wastes from the blood is ____.


2248.

How is steam inhalation a good remedy to relieve common cold? In fact, when a person drowns in water, water fills in the person's lungs which does not allow the person to breathe. Considering the above, when a person inhales steam, shouldn't the steam condense as water in the trachea or the lungs, causing trouble in breathing? And we know that doesn't happen. Why?

Answer» How is steam inhalation a good remedy to relieve common cold?
In fact, when a person drowns in water, water fills in the person's lungs which does not allow the person to breathe.
Considering the above, when a person inhales steam, shouldn't the steam condense as water in the trachea or the lungs, causing trouble in breathing? And we know that doesn't happen. Why?
2249.

The codon AUG has dual function. It is an initiation codon and also codes for

Answer»

The codon AUG has dual function. It is an initiation codon and also codes for



2250.

यात्रा-वृत्तांत गद्य साहित्य की एक विधा है। आपकी इस पाठ्यपुस्तक में कौन-कौन सी विधाएँ हैं? प्रस्तुत विधा उनसे किन मायनों में अलग है?

Answer»

यात्रा-वृत्तांत
गद्य
साहित्य
की
एक
विधा
है।
आपकी
इस
पाठ्यपुस्तक
में
कौन
-कौन
सी
विधाएँ
हैं
?
प्रस्तुत
विधा
उनसे
किन
मायनों
में
अलग
है
?