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1
An example of symbiotic plant is ______________.
Cuscuta
Agaricus
Lichen
None of these.
2
Symbiotic plants live in association with other organism and both of them mutually gain from each other. This kind of relationship is called _______________.
Mutualism
Symbiosis
Both A and B
3
__________________ secretes the bile juice.
Liver
Pancreas
Kidney
4
Which of the following are correct ?
(a) All heterotrophs depend on the other organism for their food and they are called consumers.
(b) Consumers which consume herbs and other plants are called ‘herbivores’ and those which consume animals are called ‘carnivores’.
Only (a) is correct
Only (b) is correct.
Both (a) and (b) is correct.
5
Bile juice is secreted by _____________________
Small intestine
None of these .
6
____________________ are used for the mechanical churning of food.
Teeth
Oral cavity
Oesophagous
7
Chlorophyll is present in an animal cell.
True
False
Some times
Yes, in the chloroplast
8
Alimentary canal is about ___________ meters long .
6 - 4
7 -2
7 - 8
9
_______________ is the end point of alimentary canal.
Pharynx
Anus
Stomach
10
Which of the following is correct?
(a) Green plants are called producers.
(b) All green plants make their own food by the process of photosynthesis.
(c) The green coloured pigment called chlorophyll present in the roots.
Only (a) and (b) are correct.
Only (b)and (c) are correct.
All of these.
11
Which of the following are correct about holozoic nutrition?
(a) In this method of heterotrophic nutrition, complex organic substances are ingested (taken in) without their being degraded.
(b) After intake such food is digested by enzymes produced within the organisms.
Only (a) is correct .
Only (b) is correct .
Both (a) and (b) is correct .
12
(a) The large intestine absorbs water and salt from the undigested food.
(b) Large intestine can be divided into two parts :anterior and posterior.
(c) The undigested, semi-solid waste product is eliminated from the body, through an external opening, called the anus.
Only (a) and (b) is correct .
Only (a) and (c) is correct.
Only (b) and (c) is correct.
13
(a) The food contains different substances that need to be converted into soluble particles, this process is called digestion.
(b) The human digestive system consists of various organs mouth, esophagus, stomach, small intestine, large intestine, rectum and anus.
(c) The digestion of food is consist of different steps like ingestion, digestion, absorption and assimilation.
Only (b) and (c) is correct .
Only (a) and (c) is correct .
All of these .
14
Which of the following are correct about large intestines?
(a) The complete digestion of the remaining food material takes place in the ‘ileum’ (the last part of the small intestine).
(b) The ileum passes into the large intestine. It is divided into two parts: anterior (colon) and posterior (rectum).
(c) The large intestine allows the passage of residual food mass (faecal matter) which is egested through the anus.
15
The process of digestion in the alimentary canal gets completed in the ______________.
Large intestine
Mouth