31. The condition related to Myopia is:
[A] Monocular vision
[B] Unable to see the nearer object clearly
[C] Unable to see the distant object clearly
[D] None of the above
Show Answer
Correct Answer: C [Unable to see the distant object clearly]
Notes:
The condition related to Myopia is unable to see the distant object clearly. Myopia is a common vision condition. In this, you can see clearly the objects near you, but the distant objects are blurry.
32. Name the muscle which works opposite to each other?
[A] Cardiac Muscles
[B] Skeletal Muscle
[C] Antagonists’s muscle
[D] Stapedius muscle
Show Answer
Correct Answer: C [Antagonists’s muscle]
Notes:
A muscle that contracts is called an agonist whereas a muscle that relaxes or lengthens is called an antagonist.
33. Which of the following is best maintains intestinal health?
[A] Starches
[B] Vitamins
[C] Fiber
[D] Fat
Show Answer
Correct Answer: C [Fiber]
Notes:
Fiber maintains better intestinal health. Fiber is a type of carbohydrate that the body cannot digest.
34. In which part of the body digestion of protein begins?
[A] Pancreas
[B] Stomach
[C] Small Intestine
[D] Large Intestine
Show Answer
Correct Answer: B [Stomach]
Notes:
Protein digestion begins when you first start chewing. Your saliva contains two enzymes called amylase and lipase. They mostly break down carbohydrates and fats. Once a protein source reaches your stomach, hydrochloric acid and enzymes called proteases to break it down into shorter chains of amino acids.
35. Which of the following statements is true about the human liver?
[A] Liver is triangular in shape
[B] Liver is the only visceral organ that can regenerate
[C] Liver is the largest and the internal organ of the human body
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
The liver is triangular in shape, the only visceral organ that can regenerate and the largest and internal organ of the human body.
36. A trait produced by the effect of a gene or an allele is called__
[A] Oncogenic Trait
[B] Monogenic trait
[C] Polygenic trait
[D] None of these
Show Answer
Correct Answer: B [Monogenic trait]
Notes:
A trait produced by the effect of a gene or an allele is called a Monogenic trait.
37. What is another name of rDNA technology?
[A] chimeric DNA
[B] information technology
[C] information DNA
[D] chimeric technology
Show Answer
Correct Answer: A [chimeric DNA]
Notes:
chimeric DNA is another name of rDNA technology because it can be made of material from two different species, like mythological imagery. R-DNA technology uses palindromic sequences and leads to the production of sticky and blunt ends.
38. GM rice is enriched with which of the following vitamin?
[A] K
[B] E
[C] A
[D] D
Show Answer
Correct Answer: C [A]
Notes:
GM rice is enriched with vitamins A. Genetically modified rice are strains of rice that have been genetically modified.
39. The skin biting mosquito has legs as locomotory organ which are
____:
[A] One pair
[B] Two pairs
[C] Three pairs
[D] Four pairs
Show Answer
Correct Answer: C [Three pairs]
Notes:
Like all other insects, in a mosquito, the thorax is specialized for locomotion. Three pairs of jointed legs and a pair of wings are attached to the thorax. The insect wing is an outgrowth of the exoskeleton therefore analogous to winds of a birds.
40. The release of which of the following into ponds and wells helps in controlling mosquitoes?
[A] Snail
[B] Crab
[C] Dogfish
[D] Gambusia fish
Show Answer
Correct Answer: D [Gambusia fish]
Notes:
The Gambusia fish, also known as larvivorous stagnant water fish. It feeds on the larvae of mosquitoes. So it helps in controlling their population. It is also called ‘mosquito fish’ and is being used as a biological control measure. Hence, a check on malaria and other vector borne diseases like even dengue.