Science Gk interview questions

Which of the following metals is found in the chlorophyll?

1. Cobalt
2. Zinc
3. Iron
4. Magnesium

Which of the following is the cellular respiratory centre?

1. Ribosome
2. Mitochondria
3. Nucleus
4. Golgi body

The red colour of the red sea is due to the presence of

1. Bacteria
2. Algae
3. Fungi
4. Moss

Which of the following is known as the Father of Indian Botany?

1. T. Sadashivam
2. William Roxburgh
3. Birbal Shahni
4. K.C. Mehta

Plants which grow in saline soil are

1. Halophytes
2. Lithophytes
3. Hydrophytes
4. Xerophytes

The litmus paper utilized in the chemical laboratories is made of

1. Algae
2. Lichen
3. Fungi
4. Fern

The branch of botany under which fungi is studied

1. Ethology
2. Microbiology
3. Mycology
4. Microbiology

Which of the following is a living fossil?

1. Cycus
2. Pinus
3. Cidrus
4. Sellaginella

The water and mineral salts are transported to the various organs by which of the following?

1. Cambium
2. Cortex
3. Phloem
4. Xylem

Epiphytes are plants which depend on other plants for

1. Food
2. Shade
3. Water
4. Mechanical support

Which plant’s leaves are used to make outer wrap of ‘beedi’?

1. Cinchona
2. Opium
3. Tendu
4. Areca

Which one of the following is an active component of oil of clove?

1. Methanol
2. Eugenol
3. Benzaldehyde
4. Menthol

Which one of the following is the longest flower in the world?

1. Rafflesia
2. Glory lily
3. Lotus
4. Sunflower

Photosynthesis using the invisible part of the sunlight is done by

1. Trees
2. Algae
3. Fungi
4. Bacteria

Tallest terrestrial tree on the earth is

1. Pine
2. Sequoia
3. Deodar
4. Eucalyptus

Which of the following bears naked seeds?

1. Angiosperms
2. Bryophytes
3. Pteridophytes
4. Gymnosperms

The gas released during the photosynthesis by the green plants is

1. Nitrogen
2. Oxygen
3. Water vapour
4. Carbon dioxide

The Indian Botanical Garden is located at

1. Delhi
2. Allahabad
3. Kolkata
4. Lucknow

Coffee is extracted from the

1. Flowers
2. Seeds
3. Fruits
4. Leaves

Which of the following is a plant hormone?

1. Adrenaline
2. Auxin
3. Oxytocin
4. Insulin

Mushrooms is a

1. Fern
2. Moss
3. Fungus
4. Alga

Golden rice has the highest quantity of

1. Vitamin A
2. Vitamin B
3. Vitamin C
4. Vitamin D

Which among the following is not a true fruit?

1. Apple
2. Date
3. Plum
4. Grape

The device to measure the rate of stem growth is

1. Hydrometer
2. Hygrometer
3. Photometer
4. Auxanometer

In which of the following chlorophyll does not exist?

1. Fungi
2. Bryophytes
3. Pteridophytes
4. Algae

If a man weighs 600 N on the earth, then his weigh on the moon will be approximately

1. 60 N
2. 100 N
3. 600 N
4. 6000 N

From which minerals is radium obtained?

1. Pitchblende 
2. Rutile
3. Limestone
4. Haematite

When a coil is rotated in magnetic field, induced current is generated in the coil. This principle is used in making

1. Electric watt meter  
2. Electric generator
3. Electric motor
4. Electromagnet

Among the various allotropes of carbon

1. Coke is the hardest, graphite is the softest
2. Diamond is the hardest, graphite is the softest
3. Diamond is the hardest, coke is the softest
4. Diamond is the hardest, lamp black is the softest

The two elements that are frequently used for making transistors are

1. Niobium and columbium 
2. Iridium and tungsten
3. Boron and aluminium
4. Silicon and germanium