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Biosciences – Botany and Zoology Study Material बिभाग ‘क’

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

Biosciences – Botany and Zoology Study Material बिभाग ‘क’ 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 ‘क’

 

  1. The oxygen that keeps us alive is a product of photosynthesis. It comes from

(1) Carbon dioxide

(2) Carbonates dioxide

(3) Oxides of mineral elements

(4) Water

Ans:- (4) Water

  1. Milk tastes sour when kept in the open for some time due to the formation of

(1) Carbonic acid

(2) Citric acid

(3) Lactic acid

(4) Malic acid

Ans:- (3) Lactic acid

  1. Prokaryotes are

(1) Animals without well-development nervous system

(2) Organisms lacking a definite nucleus

(c) Primitive plants without vascular systems

(d) Plants that do not produce flowers and fruits

Ans:- (2) Organisms lacking a definite nucleus

  1. Honey that has a high concentration of sugar does not decay because

(1) It contains natural antioxidant that prevents bacterial attack

(2) Bacteria cannot survive in an active state in a solution of high osmotic strength as water is drawn out

(3) Bacteria cannot survive in an active state as it is totally deprived of oxygen

(4) None of these

Ans:- (2) Bacteria cannot survive in an active state in a solution of high osmotic strength as water is drawn out

  1. The chromosome number in a bacterium is

(1) 1

(2) 2

(3) 4

(4) Varies with species

Ans:- (1) 1

  1. A plant cell is distinguished from an animal cell by the presence of

(1) Chloroplasts

(2) Cell wall

(3) Cell membrane

(4) Nucleus

Ans:- (2) Cell wall

  1. On chemical analysis, a bottle-cork is found to contain primarily

(1) Carbohydrates

(2) Lipids

(3) Tannins

(4) Proteins

Ans:- (1) Carbohydrates

  1. Which of the following plant disease is caused by mineral deficiency?

(1) Heart rot of beets

(2) Ring rot of potato

(3) Red rot of sugarcane

(4) Wilt of cotton

Ans:-

  1. Which of the following organelles is termed the powerhouse of a cell?

(1) Chloroplasts

(2) Golgi apparatus

(3) Mitochondrion

(4) Nucleus

Ans:- (3) Mitochondrion

  1. Granum is a component of

(1) Chloroplasts

(2) Golgi apparatus

(3) Ribosome’s

(4) Starch grains

Ans:- (1) Chloroplasts

  1. In a plant cell, DNA is found in

(1) Chloroplasts

(2) Mitochondria

(3) Nucleus

(4) All these

Ans:- (4) All these

  1. Cell sap is

(1) A dilute solution of minerals and some organic substances in the vacuole

(2) A dilute solution of minerals in water absorbed by the plant from the soil

(3) Exudate from the cell

(4) A solution of different organic substances dissolved in the cytoplasm

Ans:- (1) A dilute solution of minerals and some organic substances in the vacuole

  1. The edible part is a fruit in which one of the following crops?

(1) Coconut

(2) Groundnut

(3) Pea

(4) Wheat

Ans:- (4) Wheat

  1. The virus that infects a bacterium is

(1) Arbovirus

(2) Viraemia

(3) Bacteriophage

(4) Baclofen

Ans:- (3) Bacteriophage

  1. Binomial nomenclature refers to

(1) Naming a Plant/animal twice

(2) Scientific naming of an organism consisting of two words

(3) Two names of a Living organism — scientific name and a local name

(4) Two and a local name

Ans:- (2) Scientific naming of an organism consisting of two words

  1. To Which group of plants does the banyan tree belong?

(1) Angiosperms

(2) Gymnosperms

(3) Pteridophytes

(4) Pheophyta

Ans:- (1) Angiosperms

  1. A liverwort is

(1) An animal parasite infecting the liver

(2) A land plant without differentiation into root, stem, and leaves

(3) A kind of bacterium infecting the liver

(4) A plant with its flowers shaped like the human liver

Ans:- (2) A land plant without differentiation into root, stem, and leaves

  1. “Flame of the forest” refers to

(1) A lady with flame in her hands found in the forest

(2) A forest full of trees which burst with red flowers during autimn

(3) A fire always found in some jungles

(4) The title of a book

Ans:- (2) A forest full of trees which burst with red flowers during autimn

  1. A herbarium is

(1) A collection of herbs in dried form

(2) A garden with a varied collection of herbs

(3) A garden with a collection of medicinal herbs

(4) A centre for the preservation of dried specimen of plants

Ans:- (4) A centre for the preservation of dried specimen of plants

  1. Taxonomy is a science dealing with the

(1) Classification of all living organisms

(2) Classification of plants

(3) Identification, nomenclature, and classification of all living organisms

(4) Structure and function of living organisms

Ans:- (3) Identification, nomenclature, and classification of all living organisms

  1. The widely used antibiotic, penicillm, is produced by

(1) An alga

(2) A bacterium

(3) A fungus

(4) Synthetic means

Ans:-  (3) A fungus

  1. Lichen is considered to be a symbolic association of two living organisms. Which organisms are involved in it?

(1) Algae and bacteria

(2) Algae and fungi

(3) Algae and bryophytes

(4) Fungi and bryophytes

Ans:-  (2) Algae and fungi

  1. Agar, commonly used as a synthetic growth medium and in bakery, is obtained from

(1) algae

(2) mosses

(3) Cycas

(4) pine

Ans:-

  1. Which of the following human disease/s is/are caused by a mutant gene?

(1) Hemophilia

(2) sickle cell anaemia

(3) Thalassemia

(4) All the above

Ans:- (4) All the above

  1. Which of the following shows A taxonomically closely-related group?

(1) Earthworm, ringworm, tape-worm

(2) Silverfish, cuttlefish, starfish

(3) Housefly, dragonfly, butterfly

(4) Sea horse, sea anemone, sea urchin

Ans:- (3) Housefly, dragonfly, butterfly

  1. The numerous minute pores in the epidermis of a leaf are called

(1) Hydathodes

(2) Lenticels

(3) Perforation

(4) Stomata

Ans:- (4) Stomata

  1. In some plants, water oozes through certain pores that remain permanently open. This phenomenon is called

(1) Evaporation

(2) Guttation

(3) Transpiration

(4) Vaporization

Ans:- (2) Guttation

  1. Which one of the following is not a stem modification?

(1) arrowroot

(2) garlic

(3) ginger

(4) Sweet potato

Ans:- (4) Sweet potato

  1. From which part of the plant is turmeric, a commonly-used colourant and antiseptic, obtained?

(1) Root

(2) Stem

(3) Fruit

(4) Flower

Ans:- (2) Stem

  1. Clove, the commonly used spice, is obtained from the

(1) Root

(2) Stem

(3) Flower bud

(4) Fruit

Ans:- (3) Flower bud

  1. hashish is obtained from a plant. From which part of the plant is it obtained?

(1) Leaves

(2) Stem

(3) Exudate from leaves and female inflorescences

(4) Exudate from stem and male inflorescence

Ans:- (3) Exudate from leaves and female inflorescences

  1. Grey matter consists of neurons

(1) A large number of neurons

(2) A large number of never cell bodies

(3) A large number of never fibres

(4) Neuroglia

Ans:- (2) A large number of never cell bodies

  1. Blood is formed in the human adult by the

(1) Heart

(2) Spleen

(3) Red bone marrow

(4) Yellow bone marrow

Ans:- (3) Red bone marrow

  1. Haploid chromosome number is not seen in

(1) Primary spermatocytes

(2) Spermatids

(3) Sperms

(4) Spermatids and sperms

Ans:- (1) Primary spermatocytes

  1. One of the organs that excretes water, fat and various catabolic wastes is the

(1) Kidney

(2) Skin

(3) Spleen

(4) Salivary glands

Ans:- (2) Skin

  1. The body is protected against drying, absorbing and bacterial invasion by the

(1) Epithelium

(2) Secretion of sebaceous glands

(3) Blocking sweat pores

(4) All of these

Ans:- (1) Epithelium

  1. Which of the following sugars are components of cane sugar?

(1) Glucose and fructose

(2) Glucose and galactose

(3) Glucose and mannose

(4) Glucose and ribose

Ans:- (1) Glucose and fructose

  1. During the course of prolonged starvation and fasting, glucose or glycogen is synthesized from non carbohydrate precursors by the process of

(1) Glycogenesis

(2) Glycoysis

(3) Gluconeogenesis

(4) Glycogenolysis

Ans:- (3) Gluconeogenesis

  1. Which of the following compounds found in all living organisms are rich in phosphorus?

(1) Carbohydrates

(2) Fats

(3) Nucleic acids

(4) Proteins

Ans:- (3) Nucleic acids

  1. The country that leads in life expectancy for both males and females is

(1) USA

(2) CIS

(3) UK

(4) Japan

Ans:- (4) Japan

  1. The total fertility rate refers to

(1) Magnitude of family size

(2) Total number of persons in s family

(3) Total number of children a woman has borne

(4) The number of live births is made up of

Ans:- (3) Total number of children a woman has borne

  1. The phosphagen that provides an immediate source of energy for vertebrate muscular contraction is

(1) Arginine phosphate (AP)

(2) Uridine diphosphoglucose (UDPG)

(3) Adenosine triphosphate (ATP)

(4) Creatine phosphate (CP)

Ans:- (4) Creatine phosphate (CP)

  1. In calves that consume large quantities of milk, the curdling of milk takes place due to

(1) A large variety of useful bacteria

(2) The high acid content of gastric juice

(3) The action of rennin

(4) The action of pepsin

Ans:- (3) The action of rennin

  1. Which of the following is most important for the growth of children up to the age of 14?

(1) Protein

(2) Vitamins

(3) Fat

(4) Milk

Ans:- (1) Protein

  1. In termites, the cellulose of wood is digested by

(1) Protozoans

(2) Bacteria

(3) Protozoans and bacteria

(4) Cellulose breaking enzyme B-amylase

Ans:- (1) Protozoans

  1. Milk teeth in a child of 3-4 years do not include

(1) Incisors

(2) Canines

(3) molars

(4) Premolars

Ans:- (3) molars

  1. If you are standing on your head, the apple being chewed in the mouth

(1) Cannot be swallowed as it falls out of the oesophagus back into the mouth

(2) can be partially swallowed with a little practice and resistance

(3) Can be swallowed by squeezing it through the oesophagus

(4) None of these

Ans:- (3) Can be swallowed by squeezing it through the oesophagus

  1. Prior to absorption, grape sugar is hydrolyzed by the enzyme

(1) Lactase

(2) Maltase

(3) Sucrase

(4) None of these

Ans:- (4) None of these

  1. Some consumers think it dangerous to eat pork as

(1) Swines feed on garbage

(2) Swines even eat human excreta

(3) Park carries tape worm infections

(4) all of above

Ans:- (3) Park carries tape worm infections

  1. Honey is formed by

(1) Worker bees from juicy plants

(2) The action of digestive juices of worker bees on nectar collected from flowers

(3) The selective absorption of fructose by worker bees from juicy plants and its processing in their guts

(4) Worker bees in the nectarines of flowers

Ans:- (2) The action of digestive juices of worker bees on nectar collected from flowers

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