Explore topic-wise InterviewSolutions in Current Affairs.

Red Data Book : (W.W.F.) World Wild Life Federation or the (I.U.W.C.) International Union For Wild Life Conservation published a book containing the details of endangered and threatened species of Flora and Fauna called Red Data Book or Red Ust Book.

Sanctuary: A sanctuary is a pl2ce where conservation of birds in their natural habitat. 

Ex: Palak Sanctuary – Adilabad.

1. (b) youth

2. (a) remained unchanged.

3. (a) Grandmother

4. (b) was looking for his lost youth.

5. (a) iron cross

National Park: The place where Wildlife is protected in the natural environment is National Parks. 

Ex: Corbett National Park – Gauhati.

Our Biodiversity and its Conservation Class 12 Online Mock Test are designed by the experts; these mock tests of biodiversity and conservation will assist you to induce good marks in actual board exams of class 12. This is often an online mock test paper for cbse class 12 Biology Chapter Biodiversity and its Conservation, Questions are framed as per the trend of CBSE board and competitive exams. The foremost significant amongst them are – Genetic diversity, species diversity and ecological diversity. Biodiversity on earth is important for the survival of mankind and its conservation, the necessity of the hour.

Biodiversity is fusions of two words, biological, and variety. Biodiversity refers to the variability of life that exists on Earth from very small to giants. It can positively affect ecological productivity and maintains a balance among all living beings

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1. We live in houses that protect us from heat, cold and rain etc. 

2. We keep some animals and birds as pets in our houses. We also grow some plants which give us fruits and vegetables. 

3. Thus we can say that our house is also a habitat. Several animals like dogs, cats, goats, cows, birds, hens, ducks, pigeons, spiders, ants, cockroaches live with us. 

4. Plants like money plant and some crotons are also kept inside our house. 

5. We know that every bit of effort towards conservation helps. If we take due care of plants growing around us, we may not be adding a forest, but adding to greenery around us which is essential for our own existence. 

6. So Rani is correct. Conservation of biodiversity starts from our house.

(a) The speaker and her husband being caught in the act of stealing.

(b) To usher in her aunt and uncle.

(c) Because it is black in colour and it would make him appear to be in mourning.

(d) Mrs. Slater.

1. The existence of biodiversity in nature teaches us that every plant and animal whether useful or not has right to exist on earth. 

2. Every organism is a part of our ecosystem. Loss of any organism endemic or otherwise effects the food chain and food web of that ecosystem, which has impact on the world biodiversity. 

3. Hence if we want to protect the biodiversity on our planet, first we must be a part of conservation and then make other aware of it because today we see extinction of some species tomorrow it could be our species. 

4. Conserving the biodiversity in a wider prospective is utilizing the forest resources judiciously without affecting the ecosystems so that we can have a sustainable development in the forests and the biodiversity can be conserved for future generations. 

5. Nature is for human’s need, not for his greed. If we protect nature, it protects us.

Many efforts are on to save endangered species, at local, national and international levels. International Efforts:

The United Nations constituted International Union for Conservation of Nature in 1968. This organization studied different species of plants and animals for four years and came with a book named ‘Red Data Book’. A comprehensive list of endangered species, their habitat and their current population was included in this book. IUCN organized the Convention on International Trade in Endangered Species (CITES) in 1973. In this convention, the participant countries gave their consensus on controlling the trade of endangered species.  The earth summit held in 1992 at Rio de Janeiro, Brazil resulted in Convention on Biodiversity (CBD). The CBD is now accepted by 193 countries. These countries have expressed their commitment towards conservation of biodiversity.

National Efforts:

India is one of the signatories to Convention on Biodiversity (CBD). In context of this, the Union Government enacted the Biodiversity Act 2002. 

This act has three main goals which are as follows:

• Conservation of biodiversity
• Sustainable use of biodiversity
• Equitable distribution of bio-resources to ensure their reach to maximum number of people

In the and the poet sang the song which is very remarkable and pure, it was bathed in the firm melodious voice that which does not disappear into nothingness.

The Soldiers who guard our mother and motherland are mother’s children and they sacrificed their lives for the sake of their motherland. So they are her own.

Epics are long poem or story about heroic deeds. In India, most of the ancient temples are built by stones and carving many historical or mythological stories on the walls or.an the pillars. So the poet called the temples are ‘Epics in stone”.

This is one of the popular poems of the poet. Though he was a poet, he was also a patriotic person. This is a simple poem, her the poet describes a person towards his motherland. This word The language of the poem is versatile, flow like between he/she (poet) with their mother. He/She asked their mother that they can sing for her. They questioned their mother that what type of song they want to sing? They explained that they want to sing about the Himalayas, their snowbound peaks or the three great oceans such as the Bay of Bengal, the Arabian Sea and the Indian ocean which wash her feet or the beautiful dawn with its golden touch of nature.

For this, the mother said in a calm voice. She wants the song of the beggar, leper or any untrodden people. Or the crowd of the streets, impure or dirty places or any secluded places. The son/daughter (poet) ignores their mother’s request and again asked about the topic of the Song. They continue their talk asking about the song of rock-cut temples, Epics in stone or sacrifice of her children and her own children or the inspired persons, famous prophets or the great persons who made great tasks or any worthy pilgrims.

Hearing the sons/daughter’s words, mother get upset and angrily she asked to sing about millions of people who toiled and kept their life to a great cause, the experienced old people or ignorant people or helpless children who were very meek and dwelt in dark places. These words make the author that his heartbeat increased and the words heard a sound of a bell and make him emotional. This situation is like a great white bird flew in a pitiful manner. He/she become very nervous and asked about the topic of the poem Even though he was afraid to question her but believed in his work, again he requested her what type of songs she liked whether he can sing about the dams and lakes or any steel mills (factories and Industries) or shipbuilding yards like Vishakapatanam or any great technologies or any great recognized events or any atomic incidents etc.,

For this mother rejected and said you may sing on these topics but you can sing about the early and the important strikes, brave men and their goal, their achievements or any class wars and their consequences. The poet complained and in a humble condition, he/she questioned that they could n’t sing for her wholeheartedly and in pure love? He/she sang for her. That song was bathed in the stainless blue that means it is very touching and appears into nothingness.

At that time the mother stands. That scene is really extraordinary. She looks like this. Mother was decorated by blue sky, her dress is marvellous, milk-white oceans revolve around her. The waves of the oceans were entering and moved with power and make her sit on the lighted throne and she wrote the book of Morrow. Her forehead opened like earth luck. The Sun God eradicate all sorrows. There was a clear down. It was like a nightmare that fled the night and the Sunbeam was glowing on the leaves, flowers, and plants. All the nature looks more beautiful and saved by the sun – beam’s unseen hand. Here the Poet’s intention is that the time will come to establish the new ideas. The poet always encourages new thoughts and ideas.

The seers and prophets have contributed their valuable lessons and experiences to others.

If one defines a mutation as a change in genetic material resulting in a different phenotypic expression. Hence this is not a mutation.

The correct option is B) i only correct.

The correct answer is D) m/s.

Correct option is B) Second

The correct option is B) Second.

(i) Correct.

(ii) Not Correct.

(iii) Correct.

(iv) Not Correct.

(v) Not Correct.

(i) Oscillatory motion

(ii) Oscillatory motion.

(iii) Straight line motion.

Polarising angle for water = 53°3'

All are moving in ‘to and fro’ motion.

1. See – saw moves in up and down direction with a fixed point. 

2. This type of motion is called oscillatory motion,

Correct option is B) increases

(a) work, force, displacement.

(b) motion, kinetic, potential

(c) chemical, light

(d) heat, light

(e) equal

(f) energy

Geological time scale is the arrangement of major divisions of geological time into eras, periods and epochs on the time scale, in order of their age.

C) seasonal and internal

C) Remittances

The Himadri is the name of the northern-most range.

The Himalaya are young-fold mountains.

The Himalayan Mountains

The value of the Prime meridian is 0°

The major physiographic divisions of India are as follows: 

(i) The Himalayan Mountains 

(ii) The Northern Plains 

(iii) The Peninsular Plateau 

(iv) The Indian Desert 

(v) The Coastal Plains 

(vi) The Islands 

The Coastal Plains: The Peninsular Plateau of India is flanked by a stretch of narrow coastal plains to its west and east. The Western Coastal Plain is a narrow strip of plain stretching along the Arabian Sea lying to its west and flanked by the Western Ghats to its east. The northern part of the West Coast is called the Konkan (Mumbai to Goa), the central stretch is called the Kannada while the southern part is called the Malabar Coast. The Eastern Coastal Plain is comparatively wide and level stretch running along the Bay of Bengal lying to its east with the Eastern Ghats rising to its west. It is known as Northern Circar in the north, while its southern part is referred to as the Coromandel Coast.

(A) Greenwich longitude

(C) 21st March and 23rd September

(A) 1610 KMPH 

(B) Longitude

(B) Model of the Earth

(A) West to East

1. Pacific Ocean

2. Latin

3. Earth

4. Axis

5. 1492

6. Mughal

7. the Equator

8. Northern Hemisphere

9. Southern Hemisphere

10. latitudes

11. North Pole

12. South Pole

The globe and the earth are different in size

(B) B is correct

1 – D 

2 – I

3 – G 

4 – B 

5 – A 

6 – E 

 7 – F

(C) the Equator

(D) All the above

Bhindranwale, the leader of the group of militant Sikhs began to preach separatism and also demanded the formation of a Sikh State Khalistan.

(A) latitudes