Name the organ that controls the size of the pupil.
- AOption (a)
Iris
- BOption (b)
Retina
- COption (c)
Eyeball
- DOption (d)
Cornea
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Correct answer
Iris
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Browse complete papersName the organ that controls the size of the pupil.
Iris
Retina
Eyeball
Cornea
Correct answer
Iris
Air, water and soil provide total of __________ nutrients for plants to grow.
61
5
16
60
Correct answer
61
In 2019, Ministry of Housing and Urban Affairs launched India's first 'Garbage Cafe' in Chhatisgarh. What does the concept involve?
Poor and homeless people getting a meal in return of plastic waste
The cafe being a zero-garbage cafe
The walls of the cafe being made with recycled garbage
The employment of rag pickers by the cafe
Correct answer
Poor and homeless people getting a meal in return of plastic waste
The ______ is responsible for precision of voluntary action and maintaining the posture and balance of the body.
Mid brain
Fore brain
Cerebellum
Cerebrum
Correct answer
Mid brain
Which of the following is NOT a group under Vertebrata?
Pisces
Mollusca
Aves
Reptiles
Correct answer
Pisces
Which bio agent is used in making fertilisers?
Blue green algae
Earthworms
Cow dung
Manure
Correct answer
Blue green algae
Under which kingdom those organisms come who show mutual dependency and live symbiotic life?
Plantae
Fungi
Animalia
Monera
Correct answer
Plantae
Central Ground Water Board is a subordinate office of the _______.
Ministry of Jal Shakti
Irrigation department
Municipal Corporation
Delhi Jal Board
Correct answer
Ministry of Jal Shakti
______ proved from his experiments that acceleration of a freely falling object is independent of its mass.
Galileo Galilei
Archimedes
Isaac Newton
Robert Boyle
Correct answer
Galileo Galilei
_______ are tiny openings or pores on the surface of the plant leaves that allow gas exchange.
Stomata
Pores
Veins
Chloroplast
Correct answer
Stomata