MCQOPTIONS
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MCQOPTIONS
This section includes 1412 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.
| 851. |
Pollen grains are found in |
| A. | Stigma |
| B. | Ovules |
| C. | Anthers |
| D. | Locule |
| Answer» D. Locule | |
| 852. |
Pneumonia is a bacterial disease caused by the type of bacteria called _____________ |
| A. | Bacilli |
| B. | Cocci |
| C. | Sprilli |
| D. | Vibrio |
| Answer» C. Sprilli | |
| 853. |
Pneumonia affects which of the following organs of human body? |
| A. | Kidneys |
| B. | Lungs |
| C. | Throat |
| D. | Liver |
| Answer» C. Throat | |
| 854. |
Poison glands of snakes are homologous to |
| A. | sebaceous glands of mammals |
| B. | salivary glands of vertebrates |
| C. | stings of rays |
| D. | electric organs of fishes |
| Answer» C. stings of rays | |
| 855. |
Plants utilise ________ from the atmosphere foe photosynthesis |
| A. | oxygen |
| B. | nitrogen |
| C. | Carbon dioxide |
| D. | hydrogen |
| Answer» D. hydrogen | |
| 856. |
Plants of which group are predominantly aquatic?_x005F_x000D_ |
| A. | Thallophyta |
| B. | Bryophyta |
| C. | Pteridophyta_x005F_x000D_ |
| D. | No option is correct |
| Answer» B. Bryophyta | |
| 857. |
Plants in the ............ group are commonly called algae._x005F_x000D_ |
| A. | Bryophyta |
| B. | Thallophyta |
| C. | Gymnosperms |
| D. | Pteridophyta |
| Answer» C. Gymnosperms | |
| 858. |
Plants growing in sunlight are called |
| A. | sciophytes |
| B. | xerophytes |
| C. | heliophytes |
| D. | hydrophytes |
| Answer» D. hydrophytes | |
| 859. |
Plants having body that is differentiated into roots, stems and leaves and have specialized tissue for the conduction of water and other substances, fall in which group?_x005F_x000D_ |
| A. | Bryophyta |
| B. | Thallophyta |
| C. | Pteridophyta |
| D. | All option are correct |
| Answer» D. All option are correct | |
| 860. |
Plants bend towards light due to the diffusion of the ____ hormone on the other side of the shoot. |
| A. | abscisic acid |
| B. | auxin |
| C. | cytokinin |
| D. | gibberellin |
| Answer» C. cytokinin | |
| 861. |
Plants grow in size because of |
| A. | addition of cells |
| B. | increase in size of cells |
| C. | enlargement of cells |
| D. | elongation of cells |
| Answer» B. increase in size of cells | |
| 862. |
Plants are green because they |
| A. | Refract green light |
| B. | Absorbs green light |
| C. | Reflects green light |
| D. | Do not absorb ultra violet light |
| Answer» D. Do not absorb ultra violet light | |
| 863. |
Plantain is |
| A. | a tree |
| B. | an annual herb |
| C. | a perennial herb |
| D. | a shrub |
| Answer» D. a shrub | |
| 864. |
Plant tissues are of how many types? |
| A. | 3 |
| B. | 2 |
| C. | 5 |
| D. | 6 |
| Answer» B. 2 | |
| 865. |
Phycology is the branch of botany in which we study about |
| A. | Algae |
| B. | Fungi |
| C. | Ecology |
| D. | Virus |
| Answer» B. Fungi | |
| 866. |
Phytohormones are |
| A. | substances controlling diseases |
| B. | regulators synthesized by plants influencing physiological processes |
| C. | substances used for photosynthesis |
| D. | chemicals used for peeling |
| Answer» D. chemicals used for peeling | |
| 867. |
Phycology is the branch of botany in which we study about__________ |
| A. | Algae |
| B. | fungi |
| C. | Ecology |
| D. | Virus |
| Answer» B. fungi | |
| 868. |
Photosynthesis takes place inside plant cells in _____. |
| A. | Ribosomes |
| B. | Chloroplasts |
| C. | Nucleus |
| D. | Mitochondria |
| Answer» C. Nucleus | |
| 869. |
Photosynthesis takes place in the presence of chlorophyll and _________. |
| A. | water |
| B. | nutrients |
| C. | carbon-dioxide |
| D. | sunlight |
| Answer» E. | |
| 870. |
Photosynthesis fulfills which of the following requirements of the autotrophic organisms?_x005F_x000D_ I. Carbon_x005F_x000D_ II. Water_x005F_x000D_ III. Energy |
| A. | Only I |
| B. | Only III |
| C. | I and III |
| D. | All I, II and III |
| Answer» D. All I, II and III | |
| 871. |
Phosphorescence is a phenomenon associated with which algal division? |
| A. | Dinoflagellates |
| B. | Brown algae |
| C. | Red algae |
| D. | Euglenophytes |
| Answer» E. | |
| 872. |
Phage typing is based on the fact that |
| A. | viruses cause disease |
| B. | bacteria and viruses are related |
| C. | bacteria are destroyed by viruses |
| D. | bacterial viruses attack specific cells |
| Answer» E. | |
| 873. |
Persons with type AB blood are sometimes called universal donors. |
| A. | 1 |
| B. | |
| C. | |
| D. | |
| Answer» C. | |
| 874. |
Pepsin is an enzyme that digests ______. |
| A. | proteins |
| B. | starch |
| C. | carbohydrate |
| D. | fats |
| Answer» B. starch | |
| 875. |
"Pellagra" is caused due to the deficiency of |
| A. | Niacin |
| B. | Riboflavin |
| C. | Thiamine |
| D. | Pyridoxine |
| Answer» B. Riboflavin | |
| 876. |
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» C. VitaminC and VitaminA | |
| 877. |
Parthenocarpy is defined as |
| A. | Development of root without fertilisation |
| B. | Development of fruit without fertilisation |
| C. | Development of fruit with fertilisation |
| D. | Development of root with fertilisation |
| Answer» C. Development of fruit with fertilisation | |
| 878. |
Part of the plant where photosynthesis generally occurs |
| A. | roots |
| B. | leaves |
| C. | branches |
| D. | flowers |
| Answer» C. branches | |
| 879. |
Parallel venation is found in _____. |
| A. | plants which are monocots |
| B. | plants which have a dicot stem |
| C. | plants with leaves similar to Tulsi |
| D. | plants with tap roots |
| Answer» B. plants which have a dicot stem | |
| 880. |
Palaeobotany is the branch of botany is which we study about |
| A. | Animal fosills |
| B. | Plant fossils |
| C. | Seed of plant |
| D. | Flower |
| Answer» C. Seed of plant | |
| 881. |
Pancreatic juice require which medium for their action? |
| A. | Acidic |
| B. | Basic |
| C. | Neutral |
| D. | All option are correct |
| Answer» C. Neutral | |
| 882. |
Oxygenated blood flows through which vessel? |
| A. | Pulmonary Veins |
| B. | Pulmonary Arteries |
| C. | Both A & B |
| D. | None of the above |
| Answer» B. Pulmonary Arteries | |
| 883. |
Oxygenated blood flows out of the heart through the _____ . |
| A. | aorta |
| B. | pulmonary artery |
| C. | vena cava |
| D. | atrium |
| Answer» B. pulmonary artery | |
| 884. |
Oxygen in our blood is transported by a protein named |
| A. | keratin |
| B. | myoglobi |
| C. | collagen |
| D. | haemoglobin |
| Answer» E. | |
| 885. |
Ovules are found within structure_x005F_x000D_ Â _x005F_x000D_ |
| A. | E |
| B. | D |
| C. | B |
| D. | A |
| Answer» D. A | |
| 886. |
Oxygen crosses a plasma membrane by |
| A. | Osmosis |
| B. | Evaporation |
| C. | Concatenation |
| D. | Diffusion |
| Answer» B. Evaporation | |
| 887. |
Outward extension of the shoulder bone is the |
| A. | acromion |
| B. | foramen |
| C. | cancellous bone |
| D. | All of the above |
| Answer» B. foramen | |
| 888. |
Other name of Platelets is? |
| A. | Leucocytes |
| B. | Erythrocytes |
| C. | Platelets |
| D. | Thrombocytes |
| Answer» E. | |
| 889. |
Osteoporosis is the disease related to |
| A. | Spinal cord |
| B. | Heart |
| C. | Kidneys |
| D. | Lungs |
| Answer» B. Heart | |
| 890. |
Origins of genetic variation |
| A. | intragenic recombination |
| B. | mutation |
| C. | reticulation |
| D. | All the above |
| Answer» E. | |
| 891. |
Organs having different structure and components but perform similar functions are called ______._x005F_x000D_ |
| A. | Analogous organs |
| B. | Homologous organs |
| C. | Heterogeneous organs |
| D. | Homogenous organs |
| Answer» B. Homologous organs | |
| 892. |
Organisms which synthesise their own food are called |
| A. | autotrophs |
| B. | heterotrophs |
| C. | auxotrophs |
| D. | saprotrophs |
| Answer» B. heterotrophs | |
| 893. |
Organisms that use light to prepare food are known as _____. |
| A. | Autotrophs |
| B. | Heterotrophs |
| C. | Omnivores |
| D. | Decomposers |
| Answer» B. Heterotrophs | |
| 894. |
Organisms that live in the deep sea are mainly |
| A. | Herbivores |
| B. | Carnivores |
| C. | Detritivores |
| D. | None of the above |
| Answer» D. None of the above | |
| 895. |
Organisms that feed on the excreta of other organisms are called |
| A. | autotrophs |
| B. | heterotrophs |
| C. | coprophagous |
| D. | saprotrophs |
| Answer» D. saprotrophs | |
| 896. |
Organisms that depend only on raw plant products are said to be |
| A. | herbivorous |
| B. | vegetarian |
| C. | carnivorous |
| D. | omnivorous |
| Answer» B. vegetarian | |
| 897. |
Organisms that can make their own food are called_x005F_x000D_ Â _x005F_x000D_ |
| A. | Cyanobacteria |
| B. | Autotrophs |
| C. | Heterotrophs |
| D. | Omnivores |
| Answer» C. Heterotrophs | |
| 898. |
Organisms need Nutrients in order to |
| A. | Breaking down food |
| B. | Utilize chemical compounds |
| C. | recycling |
| D. | None |
| Answer» B. Utilize chemical compounds | |
| 899. |
Opposite the micropylar end, is the __________, representing the basal part of the ovule. |
| A. | hilum |
| B. | funicle |
| C. | chalaza |
| D. | nucellus |
| Answer» D. nucellus | |
| 900. |
Oparin is known for his hypothesis on |
| A. | origin of species |
| B. | origin of life |
| C. | one germ one disease |
| D. | one gene one enzyme |
| Answer» C. one germ one disease | |