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Which of the following can be used for the biological control of musquitoes?

General Science Biology Class 12th

Q. 6 of Quiz-966 (Que-ID : 1715)

Which of the following can be used for the biological control of musquitoes?

  • Oil
  • DDT
  • Gamaxene
  • Gambusia

Ans → (d)Gambusia

Explanation → Gambusia is a species of freshwater fish used for the biological control of muscquitoes.  Gambusia is also named mosquitofish because the fish eats mosquito larvae.

This question is taken from this post → Basics of Biology MCQs Practice Test #1 | General Science quiz - attemp/practice


More MCQs in - Basics of Biology MCQs Practice Test #1 | General Science quiz

Q. 1 of Quiz-966 (Que-ID : 1710)

The red colour of the red sea is because of-

  • Red Algae
  • Brown algae
  • Cephaleuros
  • Trichodesmium erithraeum

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Q. 2 of Quiz-966 (Que-ID : 1711)

The age of the tree can be calculated by-

  • counting number of branches
  • measuring its girth
  • counting the number of annual rings
  • measuring its height

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Q. 3 of Quiz-966 (Que-ID : 1712)

Thrombosis is a disease of the-

  • Thyroid gland
  • blood
  • brain
  • lungs

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Q. 4 of Quiz-966 (Que-ID : 1713)

Which is collip's hormone?

  • Thyroxine
  • Parathormone
  • Insulin
  • Esterogen

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Q. 5 of Quiz-966 (Que-ID : 1714)

Stomata are bound by a pair of guard cells. Stomata close when guard cells become-

  • Turgid
  • flacid
  • half flacid
  • small

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Q. 7 of Quiz-966 (Que-ID : 1716)

Disease transmitted by the head louse is-

  • Plague
  • rabies
  • typhoid
  • scurvy

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Q. 9 of Quiz-966 (Que-ID : 1718)

The science dealing with the fossil plants-

  • Palaeobotany
  • Geology
  • Epistemology
  • Entomology

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Q. 10 of Quiz-966 (Que-ID : 1719)

The organism that lives at the cost of another living organism is called-

  • Aphrodite
  • saprophyte
  • epiphyte
  • parasite

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More MCQs In - General Science Biology Class 12th

Q. 14 of Quiz- (Que-ID : 2857)

In albuminous seeds, food is stored in _______ and in non albuminous seeds, it is stored in _______

  • endosperm, cotyledons
  • cotyledons, endosperm
  • nucellus, cotyledons
  • endosperm, radicle

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Q. 13 of Quiz- (Que-ID : 2626)

Fructose are transported by which mechanism

  • Passive transport
  • Active transport
  • Diffusion
  • Facilitated diffusion

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Q. 25 of Quiz- (Que-ID : 3518)

Wild life is destroyed most by

  • Lack of proper care
  • Mass scale hunting
  • Destruction of natural habitats
  • Natural calamity

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Q. 3 of Quiz- (Que-ID : 74)

Which of following is the most viscous medium?

  • Coaltar
  • Water
  • Glycerine
  • Alcohol

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Q. 7 of Quiz- (Que-ID : 3525)

Chlorofluoro carbon are responsible for

  • Acid rain
  • Ozone layer depletion
  • Global warming
  • Thermal inversion

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Q. 14 of Quiz- (Que-ID : 3407)

Viral genome incroporatcd into host DNA is called:

  • Prophase
  • Protophage
  • Bacteriophage
  • None of these

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Q. 7 of Quiz- (Que-ID : 2850)

During microsporogenesis, meiosis occurs in

  • endothecium
  • microspore mother cells
  • microspore tetrads
  • pollen grains

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Q. 7 of Quiz- (Que-ID : 2975)

Kidney is present between

  • T12 L3
  • T11 L2
  • T 10 L1
  • None of the above

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Q. 22 of Quiz- (Que-ID : 3415)

Who discovered Restricted endonucleas enzymes?

  • Smith and Nathane
  • Baiger
  • Waxman
  • Fleming

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Q. 21 of Quiz- (Que-ID : 2889)

Which of the following is correct regarding HIV, hepatitis B, gonorrhoea, trichomoniasis ?

  • Trichomoniasis is an STD whereas others are not.
  • Gonorrhoea is a viral disease whereas others are bacterial
  • HIV is a pathogen whereas others are diseases
  • Hepatitis B is eradicated completely whereas others are not

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Q. 2 of Quiz- (Que-ID : 3345)

Which of the following is correctly matched ?

  • Sericulture – Fish
  • Aquaculture – Mosquito
  • Apiculture – Honeybee
  • Pisciculture – Silkmoth

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Q. 14 of Quiz- (Que-ID : 3382)

During the primary treatment of sewage, solid particles that settle down are called

  • floes
  • primary sludge
  • activated sludge
  • anaerobic sludge

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Q. 25 of Quiz- (Que-ID : 3168)

The most common monomer of carbohydrates is

  • Sucrose
  • Fructose
  • Maltose
  • Glucose

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Q. 21 of Quiz- (Que-ID : 3339)

Amoebic dysentery (amoebiasis) is caused by

  • Entamoeba histolytica
  • E. coli
  • Streptococcus pneumoniae
  • Trichophyton

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Q. 9 of Quiz- (Que-ID : 3302)

Which of the following evidences does not favour the Lamarckian concept of inheritance of acquired characters ?

  • Lack of pigment in cave-dwelling animlas
  • Melanisation in peppered moth
  • Absence of limbs in snakes
  • Presence of webbed toes in aquatic birds

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Q. 16 of Quiz- (Que-ID : 2834)

There are various types of reproduction. The type of reproduction adopted by an organism depends on

  • the habitat and morphology of the organism
  • morphology of the organism
  • morphology and physiology of the organism
  • the organisms habitat, physiology and genetic makeup.

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Q. 1 of Quiz- (Que-ID : 3294)

Which one of the following phenomena supports Darwin’s concept of natural selection in organic evolution ?

  • Development of transgenic animals
  • Production of “Dolly’, the sheep by cloning
  • Prevalence of pesticide resistant insects
  • Development of organs from ‘stem cells’ for organ transplantation.

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Q. 18 of Quiz- (Que-ID : 2631)

Crypts in between bases of villi in intestine are known as

  • Crypts of lieberkuhn
  • Crypts of intestine
  • Crypts of stomach
  • None of the above

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Q. 16 of Quiz- (Que-ID : 2629)

How many salivary glans are present

  • 2
  • 3
  • 4
  • None of the above

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Q. 6 of Quiz- (Que-ID : 3474)

Water co-deficient contains:

  • Large thin walled cells
  • Large-vacuoles
  • Membrane
  • All of these

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Q. 21 of Quiz- (Que-ID : 3239)

The aleurone layer in maize grain is especially rich in

  • auxins
  • proteins
  • starch
  • lipids

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Q. 23 of Quiz- (Que-ID : 2866)

Polygonum type of embryo sac is

  • 8 – nucleate, 7 – celled
  • 8 – nucleate, 8 – celled
  • 7 – nucleate, 7 – celled
  • 4 – nucleate, 3 – celled

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Q. 12 of Quiz- (Que-ID : 3255)

Which kind of symmetry occurs in sea anemone?

  • Bilateral
  • Radial
  • Asymmetry
  • None of these

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Q. 20 of Quiz- (Que-ID : 3388)

Methanogens, growing anaerobically on cellulosic material produce

  • methane
  • methane and carbon dioxide
  • methane and hydrogen
  • methane, carbon dioxide and hydrogen

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Q. 25 of Quiz- (Que-ID : 3318)

The extinct stone ancestor, who ate only fruits and hunted with stone weapons was

  • Ramapithecus
  • Australophecus
  • Dryopithecus
  • Homo erectus

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Q. 16 of Quiz- (Que-ID : 3409)

Golden rice is a promising transgenic crop. When released for cultivation, it will help in :

  • High lysin content
  • Pest resistance
  • High protien content
  • High vitamin A content

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Q. 23 of Quiz- (Que-ID : 2916)

The process of release of spermatozoa from Sertoli cells into cavity of the seminiferous tubules is called

  • spermiogenesis
  • spermatogenesis
  • spermatocytogenesis
  • spermiation

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Q. 25 of Quiz- (Que-ID : 2638)

In which condition the faeces are retained in the rectum as the bowel movement occur irregularly

  • Indigestion
  • Constipation
  • Diarrhoea
  • None of the above

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Q. 24 of Quiz- (Que-ID : 3492)

Best type of pyramid which is always true is:

  • Pyramid or energy
  • Pyramid of Biomass
  • Pyramid of number
  • Both (a) and (c)

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Q. 18 of Quiz- (Que-ID : 1867)

Which one of the following authors put forth the theory of the drain of India's resources to England?

  • Raja Rammohan Roy
  • Bankim Chand Chatterjee
  • G. G. Agarkar
  • Dadabhai Naoroji

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Q. 2 of Quiz- (Que-ID : 3070)

The end product of the Calvin cycle is ______.

  • RuBP
  • PGAL
  • PGA
  • ADP + NADP

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Q. 7 of Quiz- (Que-ID : 2620)

Which enzyme is responsible for digestion of milk protein in infants

  • Renin
  • Rennin
  • Proteoses
  • None of the above

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Q. 21 of Quiz- (Que-ID : 3464)

Water holding capacity is maximum in

  • Clay
  • Sand
  • Slit
  • Gravel

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Q. 9 of Quiz- (Que-ID : 3177)

Fats are richly found in

  • alveolar tissue
  • lymph glands
  • adipose tissue
  • liver cells

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Q. 24 of Quiz- (Que-ID : 2637)

In which condition the food is not digested properly leading to feeling of fullness

  • Indigestion
  • Constipation
  • Diarrhoea
  • None of the above

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Q. 7 of Quiz- (Que-ID : 2750)

which of the following acts on bones

  • Melatonin
  • Triiodothyronine
  • GH
  • Parathyroid

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Q. 19 of Quiz- (Que-ID : 3062)

Respiratory quotient of carbohydrates is

  • 0.9
  • 1.2
  • 1
  • 0

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Q. 2 of Quiz- (Que-ID : 2970)

Which among the following is not ureotelic

  • Mammal
  • Aquatic insect
  • Terrestrial amphibian
  • Marine fishes

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Q. 14 of Quiz- (Que-ID : 3382)

During the primary treatment of sewage, solid particles that settle down are called

  • floes
  • primary sludge
  • activated sludge
  • anaerobic sludge

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Q. 7 of Quiz- (Que-ID : 78)

White phosphorous is generally kept under-

  • Alcohol
  • Water
  • glycerine
  • ether

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Q. 22 of Quiz- (Que-ID : 2991)

Ciliated columnar cells are lined in which of the following

  • DCT
  • Both a and c
  • PCT
  • None of the above

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Q. 14 of Quiz- (Que-ID : 3057)

Aleurone layer takes part in

  • protection of delicate embryo
  • enzyme synthesis
  • transfer of food to cotyledons
  • transfer of food from cotyledons to embryo tips

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Q. 6 of Quiz- (Que-ID : 2699)

What are 8,9 and 10th ribs known as

  • True ribs
  • False ribs
  • Floating ribs
  • None of the above

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