A painful burning sensation produced in the chest cavity usually associated with the back flush of acidic chyme into the esophagus is
1.Pyrolysis
2.Pyrosis
3.Peristalsis
4.Dyspepsia
Posted Date:-2021-09-02 03:31:32
All of the insectivorous plants are true
1.Heterotrophs
2.Autotrophes
3.Carnivores
4.Saprotrophs
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An illness which largely affects girls usually just after the onset of puberty.
1.Bulimia nervosa
2.Obesity
3.Anorexia nervosa
4.None of these
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Anus is surrounded by _____ types of muscles
1.2
2.3
3.1
4.4
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Autotrophic organisms can exist in an exclusively ______ environment.
1.Organic
2.Inorganic
3.Wet
4.Terrestrial
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Carbohydrates, fats & proteins are essential for:
1.Metabolic processes of an organism
2.Providing energy
3.Formation of sturctures
4.All of these
Posted Date:-2021-09-02 03:31:32
Certain types of whales are also ______ feeder.
1.Fluid
2.Macrophagous
3.Filter
4.None of these
Posted Date:-2021-09-02 03:31:32
Deficiency of K+ causes:
1.Stunted growth & strong chlorosis
2.No electron transport chains
3.Premature death of leaves.
4.Stunted growth of roots.
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Deficiency of which of the following causes chlorosis?
1.Nitrogen
2.Magnesium
3.Iron
4.Both A and B
Posted Date:-2021-09-02 03:31:32
Dipeptides into amino acids are are converted through
1.Amino peptidase
2.Erypsin
3.Pepsin
4.Trypsin
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Due to which property of Adiantum and example of Filicinae is called Maidenhairfern?
1.Its short thick branched horizontally growing rhizome
2.Fibrous adventituous roots arise from the lower side of rhizome
3.Shows heteromorphic alternation of generation
4.Stipe (stalk) and rachis of leaf have black smooth and shiny hair like structures
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Earthworm is an example of ______ feeder
1.Detritus
2.Fluid
3.Macrophageus
4.Filter
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Gymnosperms constitute ______ of total world forests:
1.?
2.
3.?
4.?
Posted Date:-2021-09-02 03:31:32
Hepatic and Pancreatic secretions are also stimulated by a hormone produced by the intestinal mucosa. The hormone is
1.Creatin
2.Gastrin
3.Secretin
4.Pepsin
Posted Date:-2021-09-02 03:31:32
Hunger contractions are _____ contractions
1.Antiperistalsis
2.Peristalsis
3.Voluntary
4.None of these
Posted Date:-2021-09-02 03:31:32
Hydra is an example of _______ feeder
1.Fluid
2.Macrophagous
3.Fluid
4.All of these
Posted Date:-2021-09-02 03:31:32
In life cycle of Pinus megaspores produced by megasporangium divide into 4 megaspores by
1.Mitosis
2.Meiosis
3.Both depending upon the conditions
4.None of these
Posted Date:-2021-09-02 03:31:32
In osmosis water molecules move from area of _______ to _______ through semipermeable memberane
1.Higher solute concentration to lower solute concentration
2.Lower solute concentration to higher solute concentration
3.Lower solvent concentration to higher solvent concentration
4.All of these
Posted Date:-2021-09-02 03:31:32
In planaria, numerous small branches which end blindly are called as
1.Digestive tract
2.Intestinal caeca
3.Hepatic caeca
4.Both B & C
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In which group of tracheophytes ovules are born on the exposed surface of megasporophylls?
1.Spheospsida
2.Filicineae
3.Gymnosperms
4.Angiosperms
Posted Date:-2021-09-02 03:31:32
Incomplete or imperfect digestion is known as
1.Obesity
2.Dyspepsia
3.Anorexia nervous
4.Bulimia nervosa
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It is about 2.4 meter in length and comprising about two fifth of the small intestine
1.Duodenum
2.Jejunum
3.Ileum
4.Caecum
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Loss of appetite due to the fear of becoming obese is
1.Anorexia nervosa
2.Bulimia nervosa
3.Piles
4.Dyspepsia
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Magnesium is present in which of the following?
1.Cytochromes
2.ATP
3.Chlorophyll
4.Haemoglobin
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Maize is an example of
1.Monocot
2.Dicot
3.Gymnosperms
4.none of these
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Masses of dilated tortuous veins in the anorectal mucosa are known as
1.Bulimia
2.Ulcer
3.Adipose tissue
4.Hemorrhoids
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Mastication is carried out by:
1.Teeth
2.Tongue
3.Smooth muscles
4.All of these
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Microspore of a seed plant that contain male gametophyte including the gamete is called
1.Pollen grain
2.Ovule
3.Microgametophyte
4.Microsporangium
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Midgut in cockroach is a short narrow tube called
1.Hepatic caeca
2.Gizzard
3.Stomach
4.Rectum
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Monocots are characterized by
1.Number of sepals and petals are 2 or multiple of 2
2.Number of sepals and petals are 3 or multiple of 3
3.Number of sepals and petals are 4 or multiple of 4
4.Number of sepals and petals are 5 or multiple of 5
Posted Date:-2021-09-02 03:31:32
Nodules on roots of leguminous plants have _____ bacteria
1.Anaerobic
2.Nitrogen fixing
3.Nitrifying
4.Ammonifying
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Of the following, which one has more variety of nutrition?
1.Animals
2.Bacteria
3.Plants
4.Fungi
Posted Date:-2021-09-02 03:31:32
Of the following, which one is missing in herbivores?
1.Premolars
2.Canines
3.Incisors
4.Molars
Posted Date:-2021-09-02 03:31:32
One of the commonest cause of food poisoning are the toxins produced by
1.Azobacter
2.Nitrosomonas
3.Campylobacter
4.Nitrobacter
Posted Date:-2021-09-02 03:31:32
Parasites capable of living independently of its host at times is called as _______ parasite.
1.Obligate
2.Strict
3.Facultative
4.Endoparasite
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Pepsinogen is produced from
1.Mucous cells
2.Parietal cells
3.Zymogen cells
4.All of these
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Pinus Taxus and Picea belong to
1.Spheospsida
2.Filicineae
3.Gymnosperms
4.Angiosperms
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Puccinia commonly destroys
1.Corn
2.Tomato
3.Dodder
4.Wheat
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Puccinia is a parasitic:
1.Plant
2.Fungus
3.Animal
4.Algae
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Specialized protective coverings around megasporangium which vary in number are called:
1.Sporangium
2.Integuments
3.Ovule
4.Pericarp
Posted Date:-2021-09-02 03:31:32
Strong chlorosis is due to the deficiency of _____ in plants.
1.Magnesium
2.Nitrogen
3.Potassium
4.Phosphorus
Posted Date:-2021-09-02 03:31:32
Stunted growth of roots is due to the deficiency of _____ in plants
1.Potassium
2.Magnesium
3.Phosphorus
4.Iron
Posted Date:-2021-09-02 03:31:32
The leaf is bilobed with midrib between them. The plant is
1.Saraccnia
2.Dionaea
3.Pitcher plant
4.None of these
Posted Date:-2021-09-02 03:31:32
The liquid that escapes during defrosting frozen meat contains _____ bacteria
1.Campylobacter
2.Nitrobacter
3.Azobacter
4.Salmonella
Posted Date:-2021-09-02 03:31:32
The mechanism of regulation, generally between organism and its environment, of solutes and the gain and the loss of water is called
1.Homeostasis
2.Hemostasis
3.Osmoregualtion
4.Thermoregulation
Posted Date:-2021-09-02 03:31:32
The partly digested food is stored in ____ in cockroach.
1.Gizzard
2.Crop
3.Hepatic caeca
4.Rectum
Posted Date:-2021-09-02 03:31:32
Which of the following represents osmoregulatory steps taken by hydrophytes?
1.Increases transpiration by increasing the surface area of the leave.
2.Small and thick leaves to decrease the surface area proportional to the volume of the leave.
3.Stomata closing in sufficient supply, and opening in restricted supply of water.
4.None of these
Posted Date:-2021-09-02 03:31:32
Which of the following statement about dicots is incorrect ?
1.They have 4 or 5 sepals and petals or their multiple.
2.They have parallel vein pattern on their leaves
3.They are both herbaceous and woody
4.Vascular bundles are ring shaped in their stems.
Posted Date:-2021-09-02 03:31:32
Which of the following statement about Homeostasis is incorrect
1.There is a definite control system that regulates the homeostatic activities
2.Homeostatic mechanisms keep the internal environment fixed despite of wide changes in external environment
3.Because of this the fluctuations of internal environment are of extremely narrow range as compared to that of external environment
4.All are correct
Posted Date:-2021-09-02 03:31:32