Explore topic-wise InterviewSolutions in Current Affairs.

(D) all the above

Answer is (B) 10

(D) All the above

(B) 1100 – 1400

CH harvests paddy fields of about one acre in one hour.

(C) Both A & B

1. diet 

2. extinction 

3. mammoth 

4. fishing 

5. smaller

1. stayed 

2. seasonal 

3. humans 

4. producers 

5. cultivation

1. oam 

2. seasonal 

3. fruits, roots 

4. fishing

5. hunting

The climate underwent change and became warmer. Big animals like mammals were on the way to extinction. Therefore, the diet of the Homo sapiens underwent a change.

1. With the mammoth becoming extinct, the Homo sapiens had to turn to fishing. 

2. He also hunted smaller animals like wild boar, deer, mountain goat and sheep. 

3. Thus, the hunting pattern of the Homo sapiens changed with time.

i. For fishing and hunting in one particular region, the Homo sapiens needed to stay in one place for longer periods. 

ii. So they cleared the jungles by felling trees and set up their seasonal camps in the clearings.

The Middle Stone Age man hunted smaller animals like boar, deer, mountain goat and sheep.

Correct option is A) 1 m/s

By observation of nature and using this knowledge to their advantage, the Homo sapiens discovered the best season for fishing and also the best hunting grounds.

Correct option is B) 20 ms^-2 

The seasonal changes in weather result in changes in my clothing. I wear warm clothes during winter and light cotton clothes in summer. The seasonal changes in climate make me sick sometimes and I am forced to take medicines. I cannot go out and play games with my friends in the rainy season.

i. The nature of agricultural work made it necessary to stay in one place. 

ii. Therefore people established permanent villagesettlements to live in them generation after generation

The nature of agricultural work made it possible for the New Stone Age man to establish permanent village-settlements.

1. In hunting and gathering way of life, it is necessary to keep moving all the time. 

2. However, agriculture made it possible to store food and use it over a longer period. Hence, their need to move constantly diminished. 

3. The nature of agricultural work was such that they had to stay in one place. 

4. Therefore people established permanent village-settlements and lived in them generation after generation.

In the hunting and gathering way of life, it is necessary to keep moving all the time.

A) Newton’s first law of motion

Natural Language Processing takes in the data of Natural Languages in the form of written words and spoken words which humans use in their daily lives and operates on this.

• In olden days, common man did not study much.
• The worker class i.e. labourers used to obtain vocational training so that they could learn various skills.
• People believed in traditional religious beliefs and following religion had just become a show-off. Idol worship also started in that period.
• People were more scared of religious heads and saints than kings.
• Blind faith and superstitions were wide spread.
• Many people took undue advantage of this.
• On one hand, people respected religious books such as Vedas, Puranas, etc. whereas on the other hand, they were completely ignorant about the truth and fundamentals of these books.
• Both Hindus and Muslims considered charity as a moral duty and a part of religious act.
• Many priests, saints, etc. misguided people and made them stop following the religion. They then claimed themselves above the religion.
• They took undue advantage of people’s ignorance and became supreme authorities of the
  kingdom and also made their own lives lavish.
• Owing to all these reasons, the Bhakti movement started in India.

• Variation among the shapes of the chloroplast is found in algae and is very unique to it especially in green algae. 
• They contain chlorophyll a and b pigments for photosynthesis. 
• The chloroplasts also contain pyrenoids which store starch.

Correct option is (a) physically

Marine - Gracilaria and Sargassum 

Fresh water algae - Oedogonium and Ulothrix 

Endozoic algae - Chlorella and Chaladophora crispata.

(a) True

(b) False 

(c) True 

(d) False

Correct option is (c) learning

Correct option is (b) adulthood

• Seeds of dicotyledonous plants contain two cotyledons. 
• Leaves show reticulate venation.
• Flowers are tetramerous or pentamerous. 

Altemation of the haploid gametophytic phase (n) with diploid sporophytic phase (2n) during the life cycle is called alternation of generation.

Correct option is (b) 18

The two most important lessons the speaker mentions are to stress our point without raising our voice and to raise our voice when our silence hurts another life.

Correct option is (c) physical

• Alternation of generation is common in all plants.
• Alternation of the haploid gametophytic phase (n) with diploid sporophytic phase (2n) during the life cycle is called alternation of generation. 

Correct option is (c) efficiency

Correct option is (a) responsibility

1. Externally there are three meninges covering spinal cord Duramater, arachnoid membrane and pia mater. 

2. Dorsoventrally there are two fissures, the shallow dorsal or posterior fissure and the deeper ventral or anterior fissure. 

3. From dorsal fissure a dorsal septum extends inside. 

4. Neurocoel or central canal is situated in the centre of spinal cord. 

5. The central canal is filled with cerebro¬spinal fluid and is lined by cuboidal epithelial cells called layer of ependyma. 

6. There is inner grey and outer white matter in the spinal cord. This grey matter is in the shape of ‘H’ with two dorsolateral horns and two ventrolateral horns.

7. Dorsal horns form dorsal roots and ventral horns form ventral roots. 

8. White matter is divided into three columns, viz., the dorsal funiculi, ventral funiculi and lateral funiculi on either side. 

9. Ascending and descending tracts of nerve fibres arise from dorsal and ventral roots of the spinal cord. Ascending tracts are sensory while descending tracts are motor in nature.

Correct option is (c) dependence

Learning new ways to learn brings joy to us.

Correct option is (a) personality

• The development of heterospory. 
• The development of seeds. 
• The development of non-swimming male gametes

• The basis of the number of cotyledons angiosperms are classified into two broad groups. 
• They are (i) Monocotyledonae, (ii) Dicotyledonae.

Correct option is (c) enrich

Correct option is (b) same

Before riding a bicycle we know to walk, run, jump, climb, skip and hop. Hence we are able to climb and sit on the bicycle and balance it by touching the ground with our legs.

The answer is d. Apomixis 

Fertilization is of siphonogamous type, i.e., the male gametes are carried to the archegonia through pollen tube in gymnosperms.