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Q:

Read the passage carefully and choose the best answer to each question out of the four alternatives and click the button corresponding to it.


Ants have been living on the earth for more than 100 million years and can be found almost anywhere on the planet. It is estimated that there are about 20000 different species of ants. For this reason ants have been called Earth's most successful species. If you watch ants for any length of time you will see that they really do communicate with each other and very effectively too. Ants communicate by touching each other with their antennae. Ants also use chemicals called pheromones to leave scent trails for other ants to follow. Ants build many different types of homes. Many ants build simple little mounds out of dirt or sand. Other ants use small sticks mixed with dirt and sand to make a stronger mound that offers protection from rain. Western Harvester ants make a small mound on top, but then tunnels up to 15 feet straight down to hibernate during winter. Ant mounds consist of many chambers connected by tunnels. Different chambers are used for nurseries, food storage, and resting places for the worker ants. Some ants live in wood like termites. Army ants don't make a home at all but travel in a large groups searching for food. Ants are social insects which means they live in large colonies or groups. Some colonies consist of millions of ants. There are three types of ants in each species, the queen, the sterile female workers and males. The male ants only serve one purpose, to mate with future queen ants and do not live very long. The queen grows to adulthood, mates, and then spends rest of her life laying eggs. A colony may have only one queen, or there may be many queens depending on the species. Ants go through four stages of development: egg, larva, pupa and adult.

 

What is the purpose of male ants ?

A) To lay eggs B) To protect the colony
C) To mate with future queen ants D) To live a long life
 
Answer & Explanation Answer: C) To mate with future queen ants

Explanation:
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Q:

Rearrange the parts of the sentence in correct order.
It is a crisis which
P-unless policymakers
Q-exercise some intelligence
R-will get even worse

A) RPQ B) RQP
C) PQR D) QPR
 
Answer & Explanation Answer: A) RPQ

Explanation:
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Q:

Who is the Indian writer of Mirror Image Shreemadbhagwad Gita?

Answer

Piyush Goel

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Q:

Isotopes are atoms of the same element that have different

A) mass numbers B) atomic numbers
C) protons D) All of the above
 
Answer & Explanation Answer: A) mass numbers

Explanation:

Isotopes are atoms of the same element that have different mass numbers.

Example : Hydrogen, Deutirium and tritium all these have different mass but same atomic numbers.

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Q:

Microeconomics is the study of

A) Decisions of individual firms B) Decisions of individual households
C) Decisions of individual consumers D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Microeconomics is the branch or subset of economics that deals with the study of Decisions of individual firms, households and consumers.

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Q:

Which of the following is considered a modified stem?

A) Tendril B) Taproot
C) Petiole D) Tuber
 
Answer & Explanation Answer: D) Tuber

Explanation:

Tuber is considered as a modified stem. These type of stems carry out special functions that are important for the plant to survive. Tubers serves as a food reserve and bearing buds wherein new plants can grow.

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Q:

The renal medulla is composed of tissue called

A) Renal Sinus B) Renal Pyramids
C) Vasa Recta D) Renal Pelvis
 
Answer & Explanation Answer: B) Renal Pyramids

Explanation:

The renal medulla is composed of tissue called Renal Pyramids.

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Q:

Speed of light is maximum in _____.

A) vacuum B) solids
C) liquids D) gases
 
Answer & Explanation Answer: A) vacuum

Explanation:
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