521. Who explained first the evolution of life?

1. Newton
2. Einstein
3. Lamarck
4. None of these

Option “3” is correct
French biologist Lamarck is best known for his “Theory of Inheritance of Acquired Characters”, first presented in 1801. He was the first person to explain the theory of evolution to the public. In 1809, this theory was published in his book ‘Philosphie Zoologique’.
522. Enzymes are basically-

1. Fats
2. Sugars
3. Proteins
4. Vitamins

Option “3” is correct
Enzymes are biological molecules (proteins) that act as biocatalysts and help complex reactions occur everywhere in life. These are basically proteins and perform chemical transformations on organic compounds.
523. Oxygen, which is liberated during photosynthesis, comes from-

1. Water
2. Nitrogen
3. Chlorophyll
4. Phosphoglyceric acid

Option “1” is correct
Oxygen gas produced by photosynthesis comes from water.
524. Which of the following vitamins contain cobalt?

1. Vitamin B6
2. Vitamin B2
3. Vitamin B1
4. Vitamin B12

Option “4” is correct
Vitamin B12 (Cyanocobalamin) is a water soluble vitamin. It contains a metallic ion cobalt.
525. Which bacteria cause milk to spoil?

1. Aspergillus
2. Staphylococcus
3. Pseudomonas
4. Lactobacillus

Option “4” is correct
A lactobacillus bacterium causes milk to spoil.
526. Which is the only mammal that can fly?

1. Whale
2. Bat
3. Hen
4. Lizard

Option “2” is correct
Bat is the mammal that can fly.
527. The normal body temperature of human beings is –

1. 96.4° F
2. 97.4° F
3. 98.6° F
4. 99.4° F

Option “3” is correct
98.6° F is the normal body temperature of human being.
528. Who discovered the polio vaccine?

1. Louis Pasture
2. Konard Zuse
3. Eli Whitney
4. Jonas Salk

Option “4” is correct
Jonas Edward Salk discovered polio vaccine.
529. Birds which swim in water have –

1. Webbed feet
2. Broad wings
3. Long beaks
4. Toes with claws

Option “1” is correct
The primary use for webbed feet is paddling through water, as the bird pulls its foot backwards through the water, the toes spread apart, causing the webs to spread out and help bird to swim.
530. The Saliva helps in the digestion of –

1. Proteins
2. Starch
3. Fibers
4. Fats

Option “2” is correct
Saliva contains the enzyme amylase, also called ptyalin, which is capable of breaking down starch into simpler sugars such as maltose and dextrin that can be further broken down in the small intestine.
Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95

48 thoughts on “Biology”

  48. yvbjmcsdh

    Most of the noise around online casino bonus in Pennsylvania will relate to welcome offers. These are the eye-catching bonuses that are deployed in an attempt to lure new players to play at your online casino. They can take a variety of forms, but are most often deposit match bonuses, free spins, or the chance to recoup your initial losses. Want more details about no deposit casino bonuses? read our article Free Bonuses From Casinos Online – Why Not Try Before You Buy?. To receive the bonus, use our bet365 casino bonus code ‘SBRBONUS’. Please note that bet365 Casino currently only operates in New Jersey, but ranks highly on our list of the best NJ online casino bonuses. The toplist above is best for you who want to try casino for free with a no deposit bonus and care most about that it’s a great casino than getting the best possible bonus. If you want the best possible no deposit bonus, check this list, if you want to deposit between $10 and $100, see this list. If you want to deposit big, see this list.
    https://vekstra.sardaritskillshare.com/aviator-online-bet-explained-strategy-or-spin/
    1Download NoxPlayer on your PC. Collect DoubleU Slots free chips now, get them all swiftly using the freebie links. Collect free DoubleU Slots chips with It can help you in Download Jackpot Party Casino – Slots APK 5035.01 Latest Version for Android Mobile. or tasks related to Games. So in case if you are looking for a solution or any app in Games than in that case Jackpot Party Casino – Slots APK for Android can help you a lot. NoxPlayer is designed for Windows and MAC OS, please visit this website via computer browser to download NoxPlayer. SciPlay experienced significant revenue growth in both Q4 and the entire year of 2022, with a remarkable 18% increase in the fourth quarter and an impressive 11% increase for the entire year. This success was partly due to the outstanding performance of the game Jackpot Party Casino, which achieved its second consecutive quarterly record revenue in Q4 of 2022.

Leave a Comment

Your email address will not be published. Required fields are marked *

Scroll to Top