Life Science MCQ » Chemistry-Papers

Rings of cartilage are found associated with

Alveoli

Bronchi

Trachea

Which part of the alimentary canal absorbs the digested food?

Villi in Small intestine

Liver

Pancreas

Which of the following gas is majorly released by plants during day time?

Oxygen

Nitorgen

Carbon dioxide

Which of the following type of nutrition is shown by fungi?

Chemo autotrophic

Photo autotrophic

Heterotrophic

Carbohydrates in the humans are stored in the form of

Glycogen

Maltose

Starch

Which of the following events in the mouth cavity will be affected if salivary amylase is absent in the saliva?

Proteins breaking down into amino acids.

Starch breaking down into sugars.

Fats breaking down into fatty acids and glycerol.

Select the set of organisms showing holozoic nutrition

Human, amoeba, bird

Amoeba, mushroom, human

none of these

By which life process living organisms such as humans remove nitrogenous waste from their blood

Excretion

Respiration

Nutrition

Plants absorbs Nitrogen from soil in form of

(A) Nitrate

(B) Nitrite

During vigorous physical exercise, lactic acid is formed from glucose inside the muscle cells due to-

Excess of carbon dioxide

Lack of oxygen

None of these

Salivary glands are located in

Buccal cavity

Stomach

none of these

Which of the following is an example of parasitic plant?

Cuscuta (Amar bel)

Money plant

Palm tree

Which of the following enzymes are present in pancreatic juice?

(B) Lipase

(A) Trypsin

Both (A) and (B)

Which of the following animal will have shortest small intestine?

Human

Goat

Tiger

Which of the following respiratory organ is the site of exchange of gases in humans?

Alveoli

Bronchi

Pharynx

Which of the following pair is incorrect?

Humans - holozoic nutrition

Yeast - saprophytic nutrition

Paramoecium - autotrophic nutrition

Which one of the following is known as energy currency of cell?

Glucose

Pyruvate

Adenosine triphosphate

Bile is stored in –

Pancreas

Liver

Gall bladder

The correct sequence of anaerobic respiration in Yeast

glucose → pyruvate → ADP → lactic acid

Glucose → pyruvate → lactic acid

glucose → pyruvate → carbon dioxide + ethanol + energy

Select the correct chemical formula of glucose

C6H12O6

C5H12O6

C6H12O5

Diaphragm is a--

blood cell

muscle

bone

Glycolysis process occurs in which part of the cell?

Mitochondria

Chloroplast

Cytoplasm

Name the pores in a leaf through which respi-ratory exchange of gases takes place.

Vacuoles

Xylem

Stomata

Which gas is produced as a by product during the process of photosynthesis

CO2

Oxygen

hydrogen

During inhalation, Diaphragm moves--

Both

Upwards

Downwards

Which of the following group of organisms derive nutrition from dead and decaying matter

Saprotrophs

Parasites

Herbivores

The enzymes pepsin and trypsin are secreted respectively by

Stomach and pancreas

Salivary gland and stomach

Liver and salivary gland

Which of the following statement is true about stomata?

Stomata helps in exchange of gases during photosynthesis

Stomatal pore is surrounded by kidney shaped guard cell

All of the above

Blue green algae is a type of---------

Heterotrophic animal

None of these

Photosynthetic bacteria

Which of the following is the largest gland and also plays a major role in digestion

Pitutary gland

Liver

Pancreas

In amoeba, oxygen is taken up by:

Specialised tissues

Osmosis

Diffusion

Breathing organs in fishes

Gills

Skin

Lungs

The rhythmic contraction and relaxation of the walls of the food pipe is called

peristaltic movement

translocation

digestion

Which digestive juice is secreted by stomach and what it contains?

Pancreatic juice- Pepsin, salivary amylase, trypsin

Gastric juice- Pepsin, HCl, Mucous

Pancreatic juice- Pepsin, salivary amylase, trypsin

Human digestive system consist of a long hollow tube which starts from mouth and ends at anus. It is known as

Alimentary canal

Oesophagus

Digestive canal

Rings of cartilage are found associated with

Which part of the alimentary canal absorbs the digested food?

Which of the following gas is majorly released by plants during day time?

Which of the following type of nutrition is shown by fungi?

Carbohydrates in the humans are stored in the form of

Which of the following events in the mouth cavity will be affected if salivary amylase is absent in the saliva?

Select the set of organisms showing holozoic nutrition

By which life process living organisms such as humans remove nitrogenous waste from their blood

Plants absorbs Nitrogen from soil in form of

During vigorous physical exercise, lactic acid is formed from glucose inside the muscle cells due to-

Salivary glands are located in

Which of the following is an example of parasitic plant?

Which of the following enzymes are present in pancreatic juice?

Which of the following animal will have shortest small intestine?

Which of the following respiratory organ is the site of exchange of gases in humans?

Which of the following pair is incorrect?

Which one of the following is known as energy currency of cell?

Bile is stored in –

The correct sequence of anaerobic respiration in Yeast

Select the correct chemical formula of glucose

Diaphragm is a--

Glycolysis process occurs in which part of the cell?

Name the pores in a leaf through which respi-ratory exchange of gases takes place.

Which gas is produced as a by product during the process of photosynthesis

During inhalation, Diaphragm moves--

Which of the following group of organisms derive nutrition from dead and decaying matter

The enzymes pepsin and trypsin are secreted respectively by

Which of the following statement is true about stomata?

Blue green algae is a type of---------

Which of the following is the largest gland and also plays a major role in digestion

In amoeba, oxygen is taken up by:

Breathing organs in fishes

The rhythmic contraction and relaxation of the walls of the food pipe is called

Which digestive juice is secreted by stomach and what it contains?

Human digestive system consist of a long hollow tube which starts from mouth and ends at anus. It is known as

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