Which of the following order is given to the planets of solar system on the basis of their sizes?

1. 1. Jupiter, Saturn, earth, Mercury
   2. Saturn, Jupiter, Mercury, Earth
   3. Mercury, Earth Jupiter, Saturn
   4. Earth, Mercury, Saturn, Jupiter

Which of the following rotates clock wise?

1. 1. Mars
   2. Jupiter
   3. Venus
   4. Mercury

Which one of the following planets has largest number of natural satellites or moons?

1. 1. Jupiter
   2. Mars
   3. Saturn
   4. Venus

There are 40 coins in a bag, consisting of Rs. 5 and Rs. 2 coins. If the total amount is rs. 140, how may Rs. 2 and Rs. 5 coins are there in the bag?

1. 1. 20 each
   2. 25 and 15
   3. 30 and 10
   4. 22 and 18

Defect of color blindness can be remedied by the use of _____.

1. 1. Concave lens
   2. Convex lens
   3. Cylindrical lens
   4. None of the above

Which one of the following is the largest terrestrial wild animal?

1. 1. South Asian elephant
   2. African elephant
   3. Giraffe
   4. White tiger

In mitosis, chromosomes line up at the equatorial plate during _____.

1. 1. Anaphase
   2. Metaphase
   3. Prophase
   4. Telophase

Microfilaments are composed mainly of a protein called _____.

1. 1. Actin 
   2. Tubulin
   3. Myosin
   4. Chitin

Identify the none-membranous organelle from the following.

1. 1. Ribosome
   2. Endoplasmic reticulum (ER)
   3. Nucleus
   4. Chloroplast

Artificial selection was practiced by the _____.

1. 1. Arabs
   2. Chinese
   3. Romans
   4. None of these