A polygenic trait is controlled by 3 genes A B and C. In a cross AaBbCc x AaBbCc the phenotypic ratio of the offsprings was observed as 1 : 6 : m : 20 : m : 6 : 1. What is the value of m?
1.10
2.15
3.18
4.24
Posted Date:-2021-06-29 02:57:16
Amarbel is an example of
1.parasite
2.host
3.autotroph
4.saprotroph
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Blood pressure is measured with
1.Thermometer
2.Barometer
3.Sphygmomanometer
4.Lactometer
Posted Date:-2021-06-29 02:57:16
Cancer is caused by
1.Loss of immunity of cells
2.Uncontrolled meiosis
3.Uncontrolled mitosis
4.Rupturing of cells
Posted Date:-2021-06-29 02:57:16
Cellular respiration is best associated with the
1.microtubule
2.ribosome
3.Golgi apparatus
4.mitochondrion
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Cellulose is a
1.Mineral
2.Protein
3.Fat
4.Carbohydrate
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Deficiency of Thiamine
1. Beri-Beri
2. Pellagra
3.Anaemia
4.Rickets
Posted Date:-2021-06-29 02:57:16
DNA can be found in what Organelles?
1.Chloroplasts and Mitichondria
2. Nucleus and Ribosomes
3.Ribosomes and Mitochondria
4.Endoplasmic Reticulum and Nucleus
Posted Date:-2021-06-29 02:57:16
In case of a heart attack a hormone is injected as an emergency measure Which one is it?
1.Thyroxine
2.Adrenaline
3.Heparin
4.Insulin
Posted Date:-2021-06-29 02:57:16
In plant body the water and minerals are transported by _______
1.Bast
2.Collenchyma
3.parenchyma
4.Xylum
Posted Date:-2021-06-29 02:57:16
Islets of Langerhans are present in
1.Kidney
2.Liver
3.Pancreas
4.Trachea
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karl Landsteiner discovered
1.Blood corpuscles
2.Blood groups
3.Blood vessels
4.Proteins in Blood
Posted Date:-2021-06-29 02:57:16
Lamarcks theory of inheritance of acquired characters was challenged by
1.August Weismann
2. Hugo de Vries
3.Herbert Spencer
4.Carl Linnaeus
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Leukorrhea may be associated with
1.Cervicitis
2.Ovarian Cysts
3.Eclampsia
4. Menorrhagia
Posted Date:-2021-06-29 02:57:16
Light compensation zone refers to
1. where light is available in plenty
2. where light is maximum
3.beyond which light does not penetrate
4.where all light is used
Posted Date:-2021-06-29 02:57:16
Main function of white blood corpuscles is _______
1.Transport of carbon dioxide
2.Transport of oxygen
3. To produce immune system of body
4.None of these
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Man has _____ pairs of salivary glands
1.3
2.4
3.6
4.8
Posted Date:-2021-06-29 02:57:16
n recombinant DNA methods the term vector can refer to
1.the sticky end of a DNA fragment
2.a plasmid used to transfer DNA into a living cell
3.a DNA probe used to identify a particular gene
4. the enzyme that cuts DNA into restriction fragments
Posted Date:-2021-06-29 02:57:16
Nitrogenous bases in DNA and RNA?
1.Adenine
2.Cytosine
3.Guanine
4.All the above
Posted Date:-2021-06-29 02:57:16
Oath taken by medical graduates is given by-
1.Theophrastus
2.Aristotle
3.Darwin
4.Hippocrates
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One of the following cannot be performed by animals
1.Respiration
2.Photosynthesis
3.Reproduction
4.Digestion
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Organisms which synthesise their own food are called
1.autotrophs
2.heterotrophs
3.auxotrophs
4.saprotrophs
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Pellagrai s caused due to the deficiency of
1.Niacin
2.Riboflavin
3.Thiamine
4.Pyridoxine
Posted Date:-2021-06-29 02:57:16
Source of infection in diseases like Tuberculosis Mumps and Whooping cough is
1.Direct contact
2. Droplets of saliva
3.Carrier organism
4.A vector
Posted Date:-2021-06-29 02:57:16
Statement which is true about bacteria ?
1. All bacteria are autotrophs
2.Most of them are heterotrophs but some are autotrophs
3.All bacteria heterophs
4.All bacteria are photosynthetic
Posted Date:-2021-06-29 02:57:16
Study Of Cells Is Called
1.Cellogysm
2.Cell biology
3.Cell Organism
4.None
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The brain is covered by
1.meninges
2.skin
3.bone
4.all the above
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The major centre to receive analyze and integrate information in body is
1.Heart
2.Kidney
3.Pituitary
4.Brain
Posted Date:-2021-06-29 02:57:16
The mode of nutrition in which particulate food is devoured is
1.holozoic
2.holophytic
3.saprophytic
4.parasitic
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The process in which energy stored in carbohydrates is released
1.Photosynthesis
2.Respiration
3.Reproduction
4.Excretion
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The process of forming urine begins in the
1.embryo
2.ureter
3.nephrons
4.urethra
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The protoplasm of a child is exactly the same as that of its
1.mother
2.father
3.grandfather
4.identical twin
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The story of vitamins dates back to
1.15th century
2.16th century
3.17th century
4.18th century
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The valve present between left auricle and left ventricle is
1.Mitral
2.Tricuspid
3.Semilunar
4.Pulmonary
Posted Date:-2021-06-29 02:57:16
The Vitamin that is destroyed on heating
1.E
2.C
3.A
4.B
Posted Date:-2021-06-29 02:57:16
The weight of the brain in the total weight of the body is about
1.2%
2.3%
3.4%
4.5%
Posted Date:-2021-06-29 02:57:16
To what kingdom do common bacteria belong
1.Archaea
2.Protista
3.Eubacteria
4.All the above
Posted Date:-2021-06-29 02:57:16
Vessels are the major water conducting cells in:
1.Fungi
2.Angiosperms
3.Bryophyta
4.Thallophyta
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Vitamin present in guava fruits
1. Vitamin - A
2.Vitamin - B
3.Vitamin - C
4. Vitamin - D
Posted Date:-2021-06-29 02:57:16
What is a direct result of aerobic respiration?
1.The enzymes for anaerobic respiration are produced and stored in lysosomes
2. Alcohol is produced by yeast and bacteria
3.The potential energy of glucose is transferred to ATP molecules
4.Lactic acid is produced in muscle tissue
Posted Date:-2021-06-29 02:57:16
What prevents food from entering the windpipe?
1.Epiglottis
2.Pharynx
3.Trachea
4.Larynx
Posted Date:-2021-06-29 02:57:16
What type of macromolecule is an enzyme?
1.Proteins
2.Saturated fats
3.Phospholipids
4. Lipids
Posted Date:-2021-06-29 02:57:16
Which among the following is a Vitamin?
1.Citric acid
2. Follic acid
3.Glutonic acid
4.none
Posted Date:-2021-06-29 02:57:16
Which best describes genetic mutations?
1.Genetic mutations that cause diseases are always passed on to offspring.
2. Some inherited genetic mutations can be good for the offspring
3.Different genetic mutations cause few forms of cancer.
4.Somatic mutations can be inherited from parents or acquired during life.
Posted Date:-2021-06-29 02:57:16
Which best describes transformation in bacteria? .
1.Bacteria take DNA from their environment.
2.Bacteria inject DNA into another cell.
3.Bacteria lie dormant for many weeks.
4.Bacteria transfer DNA with a bacteriophage
Posted Date:-2021-06-29 02:57:16
Which of the following occurred in the presence of tetrodotoxin?
1.The number of action potentials decreased.
2. The size of the action potential increased.
3.The number of action potentials increased.
4.The size of the action potential decreased.
Posted Date:-2021-06-29 02:57:16
Which one of the following strongly threatens biodiversity?
1.Eragile ecosystems such as mangroves and wetlands
2. Inaccessible habitates in the Himalayas
3.Desstruction of natural habitates and regetation and Jhum cultivation
4.Creation of biosphere reserves
Posted Date:-2021-06-29 02:57:16
Which organelles in the cell, other than nucleus contains DNA?
1.Centriole
2.Goalgi apparatus
3.Lysosomes
4.Mitochondria
Posted Date:-2021-06-29 02:57:16
Which shows a correctly paired DNA molecule?
1.AT
2.TC
3.AC
4.TG
Posted Date:-2021-06-29 02:57:16
Yeast used in making bread is a
1.Fungus
2.Bacteria
3.Seed
4.Plant
Posted Date:-2021-06-29 02:57:16