Biology MCQ (Multiple Choice Questions) - SchoolingAxis

Biology MCQ (Multiple Choice Questions)

 Que- Which letter indicates systolic pressure? 

a. I 

b. B 

c. C 

d. A 

Answer- A

Que- The first heart transplantation was performed by 

a. Dr. W. Harbe 

b. Sir F.G. Hafkin 

c. Dr. Louis Pasteur 

d. Dr. C. Barnard 

Answer- Dr. C. Barnard

Que- Which of the following is true about blood plasma? 

a. The main protein component is hemoglobin 

b. It is a faint yellow fluid 

c. It is the same as serum but without the clotting proteins 

d. It is about 90% water 

Answer- It is about 90% water

Que- Most of the oxygen transported by the blood is 

a. Bound to hemoglobin 

b. Dissolved in plasma 

c. Dissolved in water 

d. In ionic form as solute in plasma 

Answer- Bound to hemoglobin

Que- Which of the following is not the part of digestive system ? 

a. Liver 

b. Gall bladder 

c. Cornea 

d. Intestine 

Answer- Cornea

Que- The enzyme found in saliva 

a. Renine 

b. Ptylin 

c. Tenin 

d. Resin 

Answer- Ptylin

Que- Which of the following is the largest gland in human body? 

a. Thyroid 

b. Liver 

c. Kidney 

d. Pancreas 

Answer- Liver

Que- Which of the following is not a digestive enzyme in the human system? 

a. Trypsin 

b. Gastrin 

c. Ptyalin 

d. Pepsin 

Answer- Gastrin

Que- In the human body which sturcture is the appendix attached to 

a. Large intestine 

b. The small intestine 

c. The gall bladder 

d. The stomach 

Answer- Large intestine

Que- The plant body not differentiated into root,shoot and stem is termed 

a. Rihazome 

b. Thallus 

c. Lysosome 

d. None of the above 

Answer- Thallus

Que- Capitulum is also given another name 

a. Branch 

b. Head 

c. Tail 

d. Caktin 

Answer- Head

Que- In all arthropods,the body is covered with a chittinous cuticle which is secreted by the  

a. Endodermis 

b. Mesophyll 

c. Chitin 

d. Epidermis 

Answer- Epidermis

Que- Scientist who is known as father of Botany 

a. Aristotle 

b. Darwin 

c. Theophrastus 

d. Linneus 

Answer- Theophrastus

Que- They are probably the simplest and the smallest living organisms possessing cellular organisation . 

a. Viruses 

b. Fungi 

c. Mosses 

d. Bacteria 

Answer- Bacteria

Que- Sexual reproduction in Algae that takes place through fusion of two dissimilar size gametes is called? 

a. Zoospores 

b. Anisogamous 

c. Isogamous 

d. Oogamous 

Answer- Anisogamous

Que- Floridian starch is characteristic energy storage material of which algae? 

a. Blue green algae 

b. Brown algae 

c. Red algae 

d. Green algae 

Answer- Red algae

Que- Which of the following does not have any enzymes in its cells? 

a. Algae 

b. Virus 

c. Lichen 

d. Bacteria 

Answer- Virus

Que- Statement which is true about bacteria ? 

a. All bacteria are autotrophs 

b. Most of them are heterotrophs but some are autotrophs 

c. All bacteria heterophs 

d. All bacteria are photosynthetic 

Answer- Most of them are heterotrophs but some are autotrophs

Que- During which phase centromeres divide and chromatids separate into chromosomes? 

a. Prophase 

b. Metaphase 

c. Telophase 

d. Anaphase 

Answer- Anaphase

Que- The shape of chromosome is clearly visible at 

a. Prophase 

b. Anaphase 

c. Metaphase 

d. Telophase 

Answer- Metaphase

Que- How many daughter cells are formed after the completion mitosis? 

a. 2 

b. 4 

c. 6 

d. 8 

Answer- 2

Que- Pollen is produced by the process of 

a. Mitosis 

b. Pollination 

c. Meiosis 

d. Fertilization 

Answer- Mitosis

Que- How many daughter cells reproduces after the completion of Meiosis II? 

a. 2 daughter cells 

b. 4 daughter cells 

c. 6 daughter cells 

d. 8 daughter cells 

Answer- 4 daughter cells

Que- Which of the following is a mixed gland 

a. Pituitary 

b. Adrenal 

c. Pancreas 

d. Ovary 

Answer- Pancreas

Que- Female reproductive hormones is 

a. Estrogen 

b. Progestron 

c. Relaxin 

d. All of these 

Answer- All of these

Que- Which of the following is an endocrine gland? 

a. Mammary glands 

b. Apocrine sweat glands 

c. Reproductive glands 

d. Salivary glands 

Answer- Reproductive glands

Que- Growth hormone is secreted form 

a. Thyroid 

b. Adrenal 

c. Gonads 

d. Pituitary 

Answer- Pituitary

Que- Most Important gland of human body is 

a. Thyroid 

b. Pituitary 

c. Pancreas 

d. Liver 

Answer- Pituitary

Que- Algae and fungi are collectively known as 

a. Thallophytes  

b. Pteridophytes  

c. Bryophytes  

d. Spermatophytes  

Answer- Thallophytes 

Que- Which of the following is true about bryophytes 

a. They are thalloid  

b. They contain chloroplast  

c. They posses archegonia  

d. All of these  

Answer- All of these 

Que- In birds, some of the vertebrae are fused to form 

a. Keel  

b. Furcula  

c. Syncytium  

d. Synsacrum  

Answer- Synsacrum 

Que- They play a central role in the making of dairy products such as butter ,cheese,yogurt etc. 

a. Viruses 

b. Fungi 

c. Bacteria 

d. Algae 

Answer- Bacteria

Que- There are certain bacteria which can fix atmospheric gas named 

a. Oxygen 

b. Nitrogen 

c. Hydrogen 

d. Carbond dioxide 

Answer- Nitrogen

Que- What do eukaryotic cells have that prokaryotic cells do not? 

a. Nucleus 

b. Cytoplasm 

c. Ribosomes 

d. DNA 

Answer- Nucleus

Que- The sea horse belongs to the class of 

a. Fishes 

b. Mammals 

c. Reptiles 

d. Mollusc 

Answer- Fishes

Que- They are considered to be the most primitive and are surely the first of the vertebrates 

a. Frogs 

b. Reptiles 

c. Amphibinas 

d. Jawless fishes 

Answer- Jawless fishes

Que- There are extremely diverse group of organisms 

a. Mosses 

b. Algae 

c. Angiosperms 

d. Fungi 

Answer- Fungi

Que- In Animal Kingdom classification, which of the following is not a Phylum? 

a. Mollusca 

b. Chordata 

c. Coelomates 

d. Anneldia 

Answer- Coelomates

Que- Through Nitrogen fixation process nitrogen in the atmosphere is converted into 

a. Ammonium  

b. Hydroxide  

c. Nitrate  

d. Chlorite  

Answer- Ammonium 

Que- In plants,which cells carry out photosynthesis? 

a. Chlorenchymatous 

b. Sclerenchymatous 

c. Paranchymatous 

d. None of the above 

Answer- Chlorenchymatous

Que- Part of the plant where photosynthesis generally occurs 

a. Roots 

b. Leaves 

c. Branches 

d. Flowers 

Answer- Leaves

Que- The energy stored in photosynthesis is obtained from 

a. Sunlight 

b. Oxidation of glucose 

c. Breakdown of proteins 

d. Breakdown of glucose 

Answer- Sunlight

Que- Maximum fixation of solar energy is done by 

a. Fungi 

b. Protozoa 

c. Bacteria 

d. Green plants 

Answer- Green plants

Que- In cross section each centriole consists of a cylindrical array of how many microtubules? 

a. 9 

b. 8 

c. 7 

d. 6 

Answer- 9

Que- Which phase's intiationis indicated by the appearance of the chromosomes as thin threads in the nucleus? 

a. Prophase 

b. Metaphase 

c. Telophase 

d. Anaphase 

Answer- Prophase

Que- In which of these mitosis is missing and the cell divided by binary fission? 

a. Prokaryotes 

b. Eukaryotes 

c. Arthropdes 

d. All of these 

Answer- Prokaryotes

Que- Which event occurs during interphase? 

a. Centrioles appear 

b. Spindle fibers begin to form 

c. The cell grows 

d. Centromeres divide 

Answer- The cell grows

Que- The stage of mitosis at which chromatids separate as independent chromosomes is the  

a. Prophase 

b. Metaphase 

c. Anaphase 

d. Telophase 

Answer- Anaphase

Que- In Pedology we study about 

a. Disease 

b. Pollution 

c. Soil 

d. Rockes 

Answer- Soil

Que- Biological control is to check growth of  

a. Plants 

b. Animals 

c. Weeds 

d. One pest by another 

Answer- One pest by another

Que- The biofertilizer used or the paddy crops is 

a. Blue-green algae 

b. Rhizobium species 

c. Fungal root fungal 

d. Azetobactor species 

Answer- Blue-green algae

Que- Which of the following plants have root nodules? 

a. Leguminous plants 

b. Parasitic plants 

c. Epiphytic Plants 

d. Aquatic Plants 

Answer- Leguminous plants

Que- Branch of agriculture concerned with the production of crops is 

a. Agrotology 

b. Agronomy 

c. Agrostology 

d. Anthropology 

Answer- Agronomy

Que- What does stomach acid mostly consist of 

a. Acetic Acid  

b. Ascorbic Acid  

c. Hydrochloric Acid  

d. Sulphuric Acid  

Answer- Hydrochloric Acid 

Que- Which one of the following is a digestive hormone 

a. Gastrin  

b. Pepsin  

c. Amylase  

d. Lipase  

Answer- Gastrin 

Que- The teeth lacking in Herbivorous animals is 

a. Molar  

b. Canine  

c. Incissor  

d. Premolar  

Answer- Premolar 

Que- Alimentary canal runs from mouth to 

a. Stomach  

b. Small Intestine  

c. Large Intestine  

d. Anus  

Answer- Anus 

Que- Which one is the longest part of the alimentary canal 

a. Oseophagus  

b. Large Intestine  

c. Small Intestine  

d. Stomach  

Answer- Small Intestine 

Que- Night Blindness is caused by deficiency of which of the following Vitamin? 

a. Vitamin B 

b. Vitamin C 

c. Vitamin K 

d. Vitamin A 

Answer- Vitamin A

Que- Organisms that feed on the excreta of other organisms are called  

a. Autotrophs 

b. Heterotrophs 

c. Coprophagous 

d. Saprotrophs 

Answer- Coprophagous

Que- Which of the following vitamin helps in clotting of blood? 

a. Vitamin K 

b. Vitamin D 

c. Vitamin B1 

d. Vitamin B2 

Answer- Vitamin K

Que- Anaemia is due to deficiency of 

a. Ca 

b. Fe 

c. Mg 

d. P 

Answer- Fe

Que- In what chief capacity does vitamin k function? 

a. Raise plasma calcium 

b. Blood clot 

c. Produce rhodopsin 

d. Bone density 

Answer- Blood clot

Que- Pellagra and Scurvy are caused by which pair of vitamin deficiency respectively ________  

a. VitaminC and VitaminD 

b. VitaminB-12 and VitaminC 

c. VitaminC and VitaminA 

d. Vitamin A and VitaminB-12 

Answer- VitaminB-12 and VitaminC

Que- The kilo calories of energy released from one gram of fats is 

a. 5.49 

b. 4.59 

c. 9.45 

d. 9.54 

Answer- 9.45

Que- Deficiency of fluoride leads to Which one of the following health problems? 

a. Tooth caries 

b. Mottling of tooth 

c. Bending of bones 

d. Stiffening of joints 

Answer- Tooth caries

Que- Which of the following is not a function of proteins? 

a. Build tissues such as bone and muscle 

b. Help to fight disease 

c. Nail formation 

d. Store and transmit Heredity 

Answer- Store and transmit Heredity

Que- Bleeding of gums, falling of teeth, fragile bones and delayed wound healing occur due to the deficiency of which one of the following vitamins? 

a. Vitamin C 

b. Vitamin K 

c. Vitamin D 

d. Vitamin B 

Answer- Vitamin C

Que- Which of the following plays an important part in photosynthesis? 

a. Chloroplast 

b. Centrosome 

c. Tonoplast 

d. Nematoblast 

Answer- Chloroplast

Que- Which of the following plays an important role in photosynthesis? 

a. Chloroplast 

b. Centrosome 

c. Tonoplast 

d. Nematoblast 

Answer- Chloroplast

Que- Which of the following gas is necessary for the process of photosynthesis? 

a. O2 

b. CO 

c. N2 

d. CO2 

Answer- CO2

Que- Photosynthesis fulfills which of the following requirements of the autotrophic organisms?I. CarbonII. WaterIII. Energy 

a. Only I 

b. Only III 

c. I and III 

d. All I, II and III 

Answer- I and III

Que- The gas released during the photosynthesis by the green plants is 

a. Oxygen 

b. Nitrogen 

c. Water vapour 

d. Carbon dioxide 

Answer- Oxygen

Que- Jaundice in human beings is the result of 

a. Incomplete metabolism of biliverdin 

b. Complete metabolism of biliverdin 

c. Incomplete metabolism of bilirubin 

d. Complete metabolism of bilirubin 

Answer- Incomplete metabolism of bilirubin

Que- Which of the following can be a symptom of AIDS? 

a. Hair loss 

b. Severe weight gain 

c. Tiredness 

d. All the above 

Answer- Tiredness

Que- Which one of the following is a hereditary disease ? 

a. Cataract 

b. Haemophilia 

c. Pellagra 

d. Osteoporosis 

Answer- Haemophilia

Que- Malaria is more common in 

a. Tropical areas 

b. Southern areas 

c. Eastern areas 

d. All over the word 

Answer- Tropical areas

Que- Pathology is the branch of science which deal with the study of 

a. Nature of disease 

b. Development of disease 

c. Control of disease 

d. All of them 

Answer- All of them

Que- Bile produced by 

a. Liver 

b. Stomach 

c. Pancrease 

d. Dudeneum 

Answer- Liver

Que- Digestion started in man from 

a. Rectum 

b. Stomach 

c. Mouth 

d. Intestine 

Answer- Mouth

Que- Where does digestion of protein begin? 

a. Mouth 

b. Pharynx 

c. Stomach 

d. Liver 

Answer- Stomach

Que- After digestion protein is converted into 

a. Fat 

b. Glucose 

c. Amino acid 

d. Fractose 

Answer- Amino acid

Que- Digestion of starch in mouth takes place by 

a. Amylase 

b. Ptyline 

c. Pepsin 

d. Lipase 

Answer- Ptyline

Que- The terminal part of the carpel in a flower, which may be sticky is ________  

a. Ovary 

b. Style 

c. Stigma 

d. Anther 

Answer- Stigma

Que- The study of flower is known as 

a. Anthology  

b. Physiology  

c. Agrostology  

d. Phycology  

Answer- Anthology 

Que- The innermost part of a flower is known as 

a. Pistils  

b. Sepals  

c. Stamens  

d. Petals  

Answer- Stamens 

Que- Ophthalmology is the branch of science in which we study about 

a. Nose 

b. Tongue 

c. Eye 

d. Ear 

Answer- Eye

Que- At which stage in its life cycle does the silkworm yield the fiber of commercial use 

a. Larva 

b. Egg 

c. Pupa 

d. Imago 

Answer- Pupa

Que- Pressure, pain, and temperature receptors in the skin are 

a. Exteroceptors 

b. Proprioceptors 

c. Interoceptors 

d. Mechanoreceptors 

Answer- Exteroceptors

Que- Goosebumps are caused by contractions of the 

a. Muscles 

b. Nerves 

c. Bones 

d. All of the above 

Answer- Muscles

Que- Lacrymal glands are situated in the 

a. Palms 

b. Buccal cavity 

c. Buccal cavity 

d. Stomach 

Answer- Buccal cavity

Que- Which of the following acts as an insulator against heat, cold and as a shock-absorber in the body ? 

a. Dermis 

b. Epidermis 

c. Subcutaneous fat layer 

d. None of the above 

Answer- Subcutaneous fat layer

Que- A/An ________ tissue is formed beneath the skin and between internal organs 

a. Epithelial 

b. Nervous 

c. Muscular 

d. Adipose 

Answer- Adipose

Que- In how many parts is the human brain divided? 

a. 2 

b. 3 

c. 4 

d. 5 

Answer- 3

Que- Centre of reflex action 

a. Cerebrum 

b. Cerebellum 

c. Spinal cord 

d. Nerve cell 

Answer- Spinal cord

Que- Cerebro spinal fluid protects 

a. Heart 

b. Brain 

c. Liver 

d. Kidney 

Answer- Brain

Que- Cerebrum is related to 

a. Liver 

b. Heart 

c. Brain 

d. Kidney 

Answer- Brain

Que- Which part of brain controls fine movement, maintains balance and equilibrium of the body and muscle tone in a human being ? 

a. Cerebrum 

b. Thalamus 

c. Cerebellum 

d. Hypothalamus 

Answer- Cerebellum

Que- Karl Landsteiner discovered 

a. Blood corpuscles 

b. Blood groups 

c. Blood vessels 

d. Proteins in Blood 

Answer- Blood groups

Que- Which of the following is nucessary for digestion of food ? 

a. Air 

b. Water 

c. Enzyme 

d. Mineral 

Answer- Enzyme

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