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Biosciences – Botany and Zoology Study Material बिभाग ‘ज’

Biosciences – Botany and Zoology Study Material बिभाग ‘ज’ Shared By Promodh Shirke

Biosciences – Botany and Zoology Study Material बिभाग ‘ज’ on mahasarkar.co.in. This is the page where we are deal with Biosciences – Botany and Zoology Study Material For Maharashtra Recruitment Exam. Every questions come from various source i.e. Study of life; cell-the basic unit of life; Classificaton of Living organisams; Organization of Living Body; Nutrition; Respiration; The Transport System; Excretion Metabolic wastes; Biocommunication; Muscle Movement Etc. यह पेज ओह सब स्टूडेंट के लिए है, जो नौकरी की तलाश में हैं और भारती परिक्षा दिने के लिए इच्छुक हैं।

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Biosciences – Botany and Zoology Study Material बिभाग ‘ज’

  1. Which of the following diseases affect wheat? Select the correct answer using the coded given below:

(1) Ergot

(2)  Fire blight

(3) Flag smut

(4)  Karnal bunt

Codes:

(1) 1, 2 and 4

(2) 1, 3 and 4

(3) 2 and 4

(4) 3 and 4

Ans:- (2) 1, 3 and 4

  1. Which of the following crops is/are affected by the loose smut disease? Select the correct answer from the codes given below:

(1) Barley

(2) Maize

(3) Rice

(4) Wheat

Codes:

(1) 1 and 4

(2) 2 and 4

(3) 2 and 3

(4) 4 only

Ans:- (1) 1 and 4

  1. One of the worst famines of the 19th century that resulted in over half a million deaths and large scale migration from a European country was caused by a fungal disease. Which of the following crop was affected by the disease?

(1) Maize

(2) Potato

(3) Rice

(4) Wheat

Ans:- (2) Potato

  1. Which of the following crops is/are affected by the “early blight’ disease?

(1) Potato

(2) Rice

(3) Sugarcane

(4) Wheat

Ans:- (1) Potato

  1. The only man-made cereal, Triticale, was produced through:

(1) Intraspecific cross

(2) Interspecific cross

(3) Intergeneric cross

(4) Mutation breeding

Ans:- (3) Intergeneric cross

  1. Triticale, the only man-made cereal, has been produced through a cross between:

(1) Ragi and rye

(2) Ragi and rice

(3) Rye and rice

(4) Rye and wheat

Ans:- (3) Rye and rice

  1. Which of the following crops enrich the soil?

(1) Alfalfa

(2) Hemp

(3) Grass pea

(4) Sunn hemp

Select the correct answer by using the codes given below

(1) 1 only

(2) 1, 3 and 4

(3) 1 and 3

(4) 2 and 4

Ans:- (2) 1, 3 and 4

  1. India is the largest producer of which of the following spices?

(1) Black Paper

(2) Cardamom

(3) Cloves

(4) Ginger

Select the correct answer by using the codes given below:

(1) 1 and 3

(2) 2 and 3

(3) 1, 2 and 4

(4) 3 and 4

Ans:- (3) 1, 2 and 4

  1. Dr Szent Gyorgyi was awarded the Nobel Prize in 1937 for isolating Vitamin C from:

(1) Amla

(2) Chillies

(3) Lemon

(4) Oranges

Ans:- (2) Chillies

  1. Saffron is a rich source of:

(1) Crocin

(2) Carotene

(3) Riboflavin

(4) Saffron oil

Select the correct answer by using the codes given below:

(1) 1 only

(2) 1, 2 and 4

(3) 1, 3, and 4

(4) 2 and 4

Ans:- (3) 1, 3, and 4

  1. Eri Silk is produced by the silkworm Philosamia ricini. On which of the following plants is it reared?

(1) Castor

(2) Oak

(3) Papaya

(4) Silk cotton tree

Select the correct answer by using the codes given below.

(1) 1 only

(2) 1 and 2

(3) 1 and 3

(4) 1, 3 and 4

Ans:- (3) 1 and 3

  1. Alcohol cause

(1) Cirrhosis of the liver

(2) Acute glomerulonephritis

(3) Cardiomyopathy

(4) Cancer of the mouth, pharynx, larynx and oesophagus

(1) 1, 2 and 4

(2) 2, 3 and 4

(3) 1, 3 and 4

(4) 1, 2, 3 and 4

Ans:- (3) 1, 3 and 4

  1. Consider the following statements in respect of attaining certain objectives for Family Planning’

(1) To avoid unwanted births

(2) To bring about wanted births

(3) To regulate the intervals between pregnancies

(4) To determine the number of children in the family

Of these statements

(1) 2 and 4 are correct

(2) 1, 2 and 4 are correct

(3) 2, 3 and 4 are correct

(4) 1, 2, 3 and 4 are correct

Ans:- (4) 1, 2, 3 and 4 are correct

  1. Which of the following cereal was among the first to be used by man?

(1) Barley

(2) Oat

(3) Rye

(4) Wheat

Ans:- (4) Wheat

  1. Consider the following crop plants cultivated in our country:

(1) Maize

(2) Spinach

(3) Tobacco

(4) Wheat

Ans:- (2) Spinach

  1. Wheat of the following plants belong to the same plant family?

(1) appel

(2) Apriot

(3) Almond

(4) Peach

Select the correct answer from the codes given below

(1) 1 and 4

(2) 2 and 3

(3) 2, 3, and 4

(4) 1, 2, 3, and 4

Ans:- (4) 1, 2, 3, and 4

  1. A plant known only in cultivation, having arisen under domestication is referred to as:

(1) Cultigens

(2) Cultivar

(3) Clone

(4) Scion

Ans:- (1) Cultigens

  1. The pores in leaves through which liquid water oozes out at times are called:

(1) Hydathodes

(2) Lenticels

(3) Phyllopores

(4) Stomata

Ans:- (1) Hydathodes

  1. The tissue that is involved in the transport of food material in plants is called:

(1) Parenchyma

(2) Phloem

(3) Sclerenchyma

(4) Xylem

Ans:- (2) Phloem

  1. Dr. E.H. Wilson, one of the greatest among the plant hunters, is well-known for his collection and introduction of the ‘regal lily’ to the United States of America. The plant was collected from:

(1) China

(2) Japan

(3) India

(4) Scandinavia

Ans:- (1) China

21.Plants that are unable to synthesize their own food and are, therefore, dependent on other sources of food are called:

(1) Parasites

(2) Auxotrophs

(3) Chemotrophs

(4) Heterotrophs

Ans:- (4) Heterotrophs

  1. The genetic material in viruses is:

(1) Double-stranded DNA

(2) Single-stranded DNA

(3) RNA

(4) All the above

Ans:- (4) All the above

  1. A gram of fertile agricultural soil may contain bacteria up to:

(1) Fifty thousand

(2) Five thousand

(3) Five thousand

(4) One billion and above

Ans:- (4) One billion and above

  1. Which of the following plant/animal diseases are not caused by viruses?

(1) Bunchy top

(2) Kuru

(3) Leaf Curl

(4) Potato Spindle-tuber

Select the correct answer from the alternatives given below:

(1) 1 and 2

(2) 1 and 4

(3) 2 and 3

(4) 2 and 4

Ans:- (4) 2 and 4

  1. Which of the following species of grapes is most commonly used for making wines?

(1) Vitis labrusca

(2) Vitis rotundifolia

(3) Vitis vinifera

(4) Vitis vulpine

Ans:- (3) Vitis vinifera

  1. A pair of chromosomes in fruit and humans determiners sex. These are referred to as sex chromosomes. What is the name to the other chromosomes?

(1) Allosomes

(2) Autosomes

(3) Heterosomes

(4) Homosomes

Ans:- (2) Autosomes

  1. Gene interaction between nonallelic genes that result in the suppression of expression of one gene by the other is called:

(1) Phenogensis

(2) Dominance

(3) Epigenesis

(4) Epistasis

Ans:- (4) Epistasis

  1. The Central Drug Research Institute of India is located at:

(1) Delhi

(2) Bangalore

(3) Madras

(4) Lucknow

Ans:- (4) Lucknow

  1. Which of the following is/are antifungal drug/s?

(1) Amphotericin

(2) Primaricin

(3) Griseofulvin

(4) All the above

Ans:- (4) All the above

  1. Lac, commonly used to prepare bangles etc. is a resinous substance exuded from an insect which is more or less endemic to India. This insect thrives on:

(1) Flame of the forest leaves

(2) Kusum

(3) Jujube

(4) All the above

Ans:- (4) All the above

  1. Human female hormone which is not a steroid is

(1) Oestradiol

(2) Relaxin

(3) Prolactin

(4) Follicle stimulating hormone

Ans:- (4) Follicle stimulating hormone

  1. Which writing, the main bones in the hand that help hold the pen in position are

(1) Carpals

(2) Metacarpals

(3) Phalanges

(4) All of these

Ans:- (2) Metacarpals

  1. The foetal body temperature in animals is regulated by

(1) Allantois

(2) Amnion

(3) Chorion

(4) Yolk sac

Ans:- (3) Chorion

  1. Xerophthalmia is caused by the dietary deficiency of

(1) Protein

(2) Vitamin A

(3) Riboflavin

(4) Unsaturated fatty acids, linoleic and linolenic acids

Ans:- (2) Vitamin A

  1. HIV positive infections that are occurring everyday in the world are around

(1) 6,000

(2) 60, 000

(3) 600, 000

(4) 1, 000, 000

Ans:- (2) 60, 000

  1. During the course of development, the umbilical cord is derived from

(1) Allantois

(2) Placenta

(3) Endometrium

(4) Chorion

Ans:- (1) Allantois

  1. The largest and most successful group of organisms on earth comprises

(1) Protozoans

(2) Arthropods

(3) Fishes

(4) Birds

Ans:- (2) Arthropods

  1. The drug most widely third against AIDS virus is

(1) Zidorudine

(2) Miconozole

(3) Nonoxynol 9

(4) Virazole

Ans:- (1) Zidorudine

  1. How many days after taking a cholera vaccine should a pilgrim be allowed to attend the ‘Kumbhmela’?

(1) 6 days

(2) 2 days

(3) 4 days

(4) 3 days

Ans:- (1) 6 days

  1. Consider the following plants:

(1) Maize

(2) Soyabean

(3) Sugarcane

(4) Wheat

Which of these are C4 plants?

(1) 2 and 3

(2) 2 and 4

(3) 1 and 4

(4) 1 and 3

Ans:- (4) 1 and 3

  1. Bombayx mori, that produces fine filaments of silk inside the cocoon, is a

(1) Butterfly

(2) Dipteran

(3) Moth

(4) Mulberry plant hemipteran

Ans:- (3) Moth

  1. Plasma cells that secrete antibodies at a very rapid rate are derived from:

(1) Reticuloendothelial cells

(2) B-lymphocytes

(3) T- lymphocytes

(4) Macrophage system

Ans:- (2) B-lymphocytes

  1. Sloths, anteaters and armadillos exemplify

(1) Insectivores

(2) Edendates

(3) Both of these

(4) None of these

Ans:- (2) Edendates

  1. Irritated eyes and burring throat are caused by exposure to

(1) Photochemical smog

(2) Carbon monoxide and automobile fumes

(3) Greyish haze-smog

(4) All of these

Ans:- (1) Photochemical smog

  1. The body temperature in birds is in the range of

(1) 370 to 380C

(2) 380 to 390C

(3) 390 to 400C

(4) 400 to 420C

Ans:- (4) 400 to 420C

  1. A vast proportion of our body’s weight is made up of

(1) Bones

(2) Water

(3) Organs

(4) Skin, tissues and organs

Ans:- (2) Water

  1. Major sugar of insect haemolymph is:

(1) Mannose

(2) Trehalose

(3) Sucrose

(4) Mannitol

Ans:- (2) Trehalose

  1. Many adult bulls straying on Delhi roads are often seen with small shrunken scrotal sacs because of

(1) Congenital defect

(2) Negative feedback due to extremely high levels of testosterone

(3) Castration

(4) All of these

Ans:- (3) Castration

  1. Which of the following animal does not possess flippers?

(1) Tortoise

(2) Turtle

(3) Penguin

(4) Seal

Ans:- (1) Tortoise

50.The barnacle that is found in the seas attached by a peduncle to wooden ships or wharves is

(1) Balanus

(2) Lepas

(3) Cypris

(4) Squilla

Ans:- (2) Lepas

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