NEET Test 106

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NEET Test 106

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Weekly Quiz Competition

Question 1
4 / -1

How much copper can be contained in 100 g Blue vitriol?

A
63 g

B
36 g

C
39 g

D
50 g

Solution

Blue vitriol is copper sulphate.

Molecular mass of CuSO₄= 160 g

160 g of CuSO₄ contains 63 gCu

So, 100 g of CuSO₄ contains = (100×63) / 160

= 39.37 g

Hence, the correct option is (C).
Question 2
4 / -1

Which of the following methods is/are used to get nitrosobenzene?

A
Aniline is oxidised in the presence of hydrogen peroxide.

B
Aniline is oxidised in the presence of potassium permanganate and sulphuric acid.

C
Aniline is oxidised in the presence of potassium dichromate and sulphuric acid.

D
Para-nitroacetanilide is hydrolysed.

Solution

Aniline was selectively converted into the corresponding nitrosobenzene and nitrobenzene by oxidation with 30% aqueous hydrogen peroxide. The reaction was catalyzed by various heteropolyoxometalates, at room temperature, in dichloromethane under two-phase conditions. In second step hydrogen peroxide is reacted as shown in following reaction image:

Hence, the correct option is (A).
Question 3
4 / -1

What do the plants of a particular area constitute?

A
Biodiversity

B
Flora

C
Fauna

D
Ecosystem

Solution

The flora of a particular area consists of its plant species, considered as a whole. An aggregate of all the species living in a particular ecosystem is called an ecological community. So, all the plants and animals species living in a particular area form the community of that area.

The plants found in a particular area are termed as flora area. The animals found in a particular area are tamed as fauna of that area. Endemic Species: Those species of plants arid animals which are found exclusively in a particular area are called endemic species to a zone, a state or a country.

Hence, the correct option is (B).
Question 4
4 / -1

The roots that originate from the base of the stem are:

A
Fibrous roots

B
Primary roots

C
Prop roots

D
Lateral roots
Question 5
4 / -1

Which of the following pair is wrongly matched about the taxonomic arrangement of cat?

A
Scientific name - Felis domestica

B
Family - Felidae

C
Order - Mammalia

D
Phylum - Chordata

Solution

The cat is a small carnivorous mammal.

It is the only domesticated species in the family Felidae. It's Binomial name is Felis catus.

Scientific classification:-

Kingdom → Animalia

Phylum →Chordata

Family → Felidal

Class → Mammalia

Species →F.catus

Order → carnivores

Suborder → Feliformia

Subfamily → Felinae

Hence, the correct option is (C).
Question 6
4 / -1

A simple pendulum hangs from the roof of a moving train. The string is inclined towards the rear of the train. What is the nature of the motion of the train?

A
Accelerated

B
Uniform

C
Retarded

D
None of above

Solution

The train is accelerated. This is why the ball hanging from the roof of the train inclines towards the rear of the train. The behaviour of the ball is explained by the law of inertia.

The ball tries to be at rest when the train together with the rope is moving forward.

Hence, the correct option is (A).
Question 7
4 / -1

Which of the following is not a step in Multiple Ovulation Embryo Transfer Technology (MOET)?

A
Fertilized eggs are transferred to surrogate mothers at 8-32 cell stage

B
Cow is administered hormone having LH like activity for super ovulation

C
Cow yields about 6-8 eggs at a time

D
Cow is fertilized by artificial insemination
Solution
Cow is administered hormone having LH like activity for super ovulation is not a step in Multiple Ovulation Embryo Transfer Technology (MOET).

Multiple Ovulation Embryo Transfer Technology is used for herd improvement in short time.
- Cows are administered hormones, with FSH-like activity for superovulation.
- 8-32 celled embryos are transferred to surrogate mothers.
- 6-8 eggs are produced per cycle.
- Cows can be fertilised by artificial insemination.
Hence, the correct option is (B).
Question 8
4 / -1

Two vectors of magnitude 3 units and 4 units respectively. What should be the angle between them if the magnitude of the resultant is 5 units?

A
180⁰

B
90⁰

C
45⁰

D
160⁰

Solution
Question 9
4 / -1

An element has a body-centered cubic (bcc) structure with a cell edge of 288 pm. The atomic radius is :

A
√3/4 × 288 pm

B
√2/4 × 288 pm

C
4/√3 × 288 pm

D
4/√2 × 288 pm
Question 10
4 / -1

Hydrogen bonding plays an important role in the physical properties of compounds. Which among the following shows intramolecular hydrogen bonding?

A
H₂O

B
o-Nitrophenol

C
p-Nitrophenol

D
o-Chlorophenol

Solution

The hydrogen bonding which takes place within a molecule itself is called intramolecular hydrogen bonding. It takes place in compounds containing two groups such that one group contains a hydrogen atom linked to an electronegative atom and the other group contains a highly electronegative atom linked to a lesser electronegative atom of the other group.

The bond is formed between the hydrogen atoms of one group with the more electronegative atom of the other group.

o-Nitrophenol shows intramolecular hydrogen bonding.

Hence, the correct option is (B).

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Re-Attempt Weekly Quiz Competition

NEET Test 106

Result

NEET Test 106

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Rank

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SHARING IS CARING

Question 1

63 g

36 g

39 g

50 g

Solution

Question 2

Aniline is oxidised in the presence of hydrogen peroxide.

Aniline is oxidised in the presence of potassium permanganate and sulphuric acid.

Aniline is oxidised in the presence of potassium dichromate and sulphuric acid.

Para-nitroacetanilide is hydrolysed.

Solution

Question 3

Biodiversity

Flora

Fauna

Ecosystem

Solution

Question 4

Fibrous roots

Primary roots

Prop roots

Lateral roots

Question 5

Scientific name - Felis domestica

Family - Felidae

Order - Mammalia

Phylum - Chordata

Solution

Question 6

Accelerated

Uniform

Retarded

None of above

Solution

Question 7

Fertilized eggs are transferred to surrogate mothers at 8-32 cell stage

Cow is administered hormone having LH like activity for super ovulation

Cow yields about 6-8 eggs at a time

Cow is fertilized by artificial insemination

Solution

Question 8

1800

900

450

1600

Solution

Question 9

√3/4 × 288 pm

√2/4 × 288 pm

4/√3 × 288 pm

4/√2 × 288 pm

Question 10

H2O

o-Nitrophenol

p-Nitrophenol

o-Chlorophenol

Solution

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180⁰

90⁰

45⁰

160⁰

H₂O