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This set of General Science Multiple Choice Questions & Answers (MCQs) focuses on Biology Set 4

Q1 | Which among the following is NOT a true bast fiber?
  • Jute
  • Hemp
  • Flax
  • Cotton
Q2 | The metals in which among the following groups are required in maximum quantities in a living organism?
  • Potassium, Manganese, Molybdenum, Calcium
  • Potassium, Molybdenum, Copper, Calcium
  • Pottassium,Sodium, Magnesium, Calcium
  • Sodium, Magnesium, Copper, Manganese
Q3 | which among the following helps to determine the character of a cell?
  • Nucleus
  • Chromosomes
  • Genes
  • Plasma
Q4 | Consider the following statements:1. Color blindness is more common in men2. Color blindness is an X-linked recessive trait3. If both the X chromosomes are defective, a woman may have color blindnessWhich among the above statements are correct?
  • 1 only
  • 1 & 2
  • 2 & 3
  • all are correct
Q5 | What name has been given to the fear of crossing roads?
  • Arthrophobia
  • Atychiphobia
  • Aichmophobia
  • Agyrophobia
Q6 | What is the average life of Red Blood cells in our body?
  • 30-40 days
  • 70-80 days
  • 100-120 days
  • 160-180 days
Q7 | Which of the following plant growth hormone was recognized by Japanese scientists?
  • Auxin
  • Gibberellins
  • Abscisic acid
  • Cytokinin
Q8 | Which among the following does not fall in the category of morbid fear or Phobia?
  • Claustrophobia
  • Photophobia
  • Algophobia
  • Anthophobia
Q9 | Which among the following is the correct location of pyloric sphincter in human body?
  • between Oral cavity and esophagus
  • between Esophagus and Stomach
  • between Stomach and duodenum
  • between duodenum and Jejunum
Q10 | Consider the following statements:Both Cochlea and Vestibular system are parts of Internal earOnly Cochlea makes the auditory system of human bodyNone of the malleus, incus, and stapes are found in the internal ear.Which among the above statements are correct ?
  • 1 & 2
  • 2 & 3
  • 1 & 3
  • all 1,2 & 3
Q11 | Consider the following statements:1. Oxygen as well as most Carbon dioxide are transported by Red Blood cells2. Iron is required for transportation of Oxygen as well as Carbon Dioxide3. Both Oxygen and Carbon Dioxide bind with HemoglobinWhich among the above statements are correct ?
  • 1 & 2
  • 2 & 3
  • 1 & 3
  • 3 only
Q12 | In which of the following, the cellular power plants – Mitochondria are absent ?
  • Red algae
  • Green Algae
  • Bacteria
  • Brown Algae
Q13 | Which among the following is essential gene material ?
  • Protein
  • Fat
  • DNA
  • RNA
Q14 | Which among the following is the smallest Human Chromosome?
  • Chromosome 10
  • Chromosome 16
  • Chromosome 20
  • Chromosome 21
Q15 | Consider the following statements:1. Most antigens are Proteins or lipids2. Lipids work as antigens if they combine with Proteins or polysaccharides3. Most vaccines contain antigens.Which among the above statements are correct?
  • 1 only
  • 1 & 2 only
  • 2 & 3 only
  • all 1, 2 and 3
Q16 | Which among the following group represents the most commonly found cancers in the world?
  • Carcinoma
  • Sarcoma
  • Lymphoma
  • Germ cell tumor
Q17 | Anesthesia which allows patients to undergo surgery without the distress and pain they would otherwise experience, has been practiced by man since ancient times. Which among the following plant is the most ancient source of anesthesia preparations?
  • Opium (poppy)
  • Cannabis
  • Datura
  • Coca
Q18 | It has been demonstrated by the scientists that, certain wines such as Red Wine posses health benefits because they contain antioxidants, which work in the body as Free Radical Scavengers and slow the oxidation of other molecules by capturing the free radicals. Which among the following is the most common antioxidant found in Red Wine?
  • Catechin
  • Tetrodotoxin
  • Polyphenol
  • Tocopherol
Q19 | Biologists have been able to demonstrate the hearing and sound sensory mechanism through the acoustico-lateralis system in which of the following vertebrates ?
  • amphibians
  • snakes
  • fishes
  • Birds
Q20 | The Red color of Red wine is mainly because of _____?
  • Chemicals in Wine
  • Pigments
  • Color blended
  • Ageing
Q21 | What is RuBisCO?
  • A Sugar
  • An Enzyme
  • A Fat
  • A Carbohydrate
Q22 | Which of the following part of the body stores Vitamin A, Vitamin D as well as Vitamin B12?
  • Brain
  • Liver
  • Pancreas
  • Red Blood Cells
Q23 | Which of the following organ in human body produces albumin, one of the major components of blood serum?
  • Bone Marrow
  • Liver
  • Pancreas
  • Spleen
Q24 | Which among the following is the only internal human organ which can regenerate?
  • Pancreas
  • Kidney
  • Liver
  • Spleen
Q25 | Horses can also digest cellulose from grasses because _______?
  • They are ruminants and have two stomachs
  • They have a long alimentary Canal
  • They have hind gut
  • They don‘t digest cellulose