Biology (Botany, Zoology, Nutrition, Health, Agriculture, Ecology and Environment) : All SSC Exams Previous Years Questions Papers Solved Part 29

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Q.1:- Which of the following plant shows chloroplast dimorphism ?

  1. Sugar Beet
  2. Rice
  3. Wheat
  4. Sugarcane

Q.2:- Photoperiodism affects ?

  1. Flowering
  2. Vegetative Growth
  3. Fruiting
  4. All of these

Q.3:- Red rot of sugarcane is caused by ?

  1. Alternaria Alternata
  2. Phylophthora Infestans
  3. Collectotrichum Falcatum
  4. Cerospora Personata

Q.4:- The Hydrophilic nature of DNA is due to the presence of ?

  1. Thymine base
  2. A number of Hydrogen bonds
  3. Phosphate group
  4. Deoxyribose sugar

Q.5:- Linseed is obtained from ?

  1. Castor
  2. Flax
  3. Groundnut
  4. Sesame

Q.6:- People with Down’s Syndrome invariably affected by ?

  1. Huntington’s disease
  2. Alzheimer’s Disease
  3. Meningitis
  4. Brain Haemorrhage

Q.7:- Life originated by chemosynthesis was proved in the laboratory by ?

  1. Sanger
  2. Pasteur
  3. Miller
  4. Aristotle

Q.8:- The deficiency of vitamin A causes ?

  1. Night blindness
  2. Beri-Beri
  3. Rickets
  4. Pellagra

Q.9:- Natural system of classification was proposed by ………. Botanists.

  1. India
  2. German
  3. Swedish
  4. British

Q.10:- The special modified epidermal cells surrounding stomatal pore are called ?

  1. Epithelial Cells
  2. Guard cells
  3. Subsidiary cells
  4. Accessory cells

Q.11:- If waste materials contaminate the source of drinking water, which of the following diseases will spread ?

  1. Scurvy
  2. Typhoid
  3. Malaria
  4. Anaemia

Q.12:- Which of the following is an example of parasitic alga ?

  1. Ulothrix
  2. Cephaleuros
  3. Oedogonium
  4. Sargassum

Q.13:- Insulin :

  1. Increases blood sugar
  2. Decreases blood sugar
  3. Constricts blood vessels
  4. Stimulates lactation

Q.14:- In plants water is absorbed by the root hairs by a process called ?

  1. Transpiration
  2. Respiration
  3. Perspiration
  4. Osmosis

Q.15:- Which one of the following organs excretes water, fat and various catabolic wastes ?

  1. Kidney
  2. Skin
  3. Spleen
  4. Salivary Glands

Q.16:- Which of the following process does not increase the amount of Carbon Dioxide in air ?

  1. Breathing
  2. Photosynthesis
  3. Burning of Petrol
  4. Aerobic decay of vegetation

Q.17:- A warm-blooded animal is ?

  1. Shark
  2. Snake
  3. Bat
  4. Ascorbic

Q.18:- Estrogen and Progesterone control and stimulate the growth in ?

  1. Pituitary Gland
  2. Thyroid Gland
  3. Mammary Gland
  4. Supra Renal Gland
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Q.19:- The reagent used to test the presence of starch in leaves is ?

  1. Fehling’s Solution
  2. Iodine Solution
  3. Million’s Reagent
  4. Benedict’s Solution

Q.20:- In onion food is stored in ?

  1. Aerial stem
  2. Root
  3. Scale leaves
  4. Bud

Q.21:- The total number of ear bones is ?

  1. 2
  2. 4
  3. 6
  4. 8

Q.22:- The pigment involved in photosynthetic activity is ?

  1. Anthocyanin
  2. Fucxanthin
  3. Carotenoid
  4. Chlorophyll

Q.23:- Vegetables oils are converted into solid fat (ghee) by ?

  1. Hydrolysis
  2. Addition of agar
  3. Oxidation using air and a catalyst
  4. Hydrogenation

Q.24:- Pesticides are used to destroy ?

  1. Micro-Organisms
  2. Poisonous Substances in Soil
  3. Poisonous Plants
  4. Insects

Q.25:- Which of the following does not provide any energy ?

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

 

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