Question 14
Mark the following statements as True or False. If false, write the correct statements.

(a) Tongue is attached to the roof of the mouth cavity at the back.
(b) The large intestine is longer and wider than the small intestine of the human alimentary canal.
(c) Mucus protects the stomach lining from damage.
(d) All heterotrophs have a similar basic process of nutrition.

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Solution

(a) False - Tongue is attached to the floor of the mouth cavity at the back.
(b) False - The large intestine is shorter and wider than the small intestine of the human alimentary canal.
(c) True
(d) True

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Q. Question 14
Cellulose breaks down into smaller components which are egested as roughage.
Mark the following statements as True or False. If false, write the correct statements.
(a) Tongue is attached to the roof of the mouth cavity at the back.
(b) The large intestine is longer and wider than the small intestine of the human alimentary canal.
(c) Mucus protects the stomach lining from damage.
(d) All heterotrophs have a similar basic process of nutrition.

Question 9
In which part of the alimentary canal is food is finally digested?

(a) Stomach
(b) Mouth cavity
(c) Large intestine
(d) Small intestine

Which of the following is the correct sequence of parts as they occur in the human alimentary canal ?

(a) Mouth $\to$ Stomach $\to$ Small intestine $\to$ Oesophagus $\to$ Large intestine
(b) Mouth $\to$ Oesophagus $\to$ Stomach $\to$ Large intestine $\to$ Small intestine
(c) Mouth $\to$ Stomach $\to$ Oesophagus $\to$ Small intestine $\to$ Large intestine
(d) Mouth $\to$ Oesophagus $\to$ Stomach $\to$ Small intestine $\to$ Large intestine

Question 4
Which is the correct sequence of parts in a human alimentary canal?

(a) $M o u t h \to s t o m a c h \to s m a l l i n t e s t i n e \to o e s o p h a g u s \to l a r g e i n t e s t i n e$
(b) $M o u t h \to o e s o p h a g u s \to s t o m a c h \to l a r g e i n t e s t i n e \to s m a l l i n t e s t i n e$
(c) $M o u t h \to s t o m a c h \to o e s o p h a g u s \to s m a l l i n t e s t i n e \to l a r g e i n t e s t i n e$
(d) $M o u t h \to o e s o p h a g u s \to s t o m a c h \to s m a l l i n t e s t i n e \to l a r g e i n t e s t i n e$

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Structure of Digestive System

Standard X Biology

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(a) False - Tongue is attached to the floor of the mouth cavity at the back. (b) False - The large intestine is shorter and wider than the small intestine of the human alimentary canal. (c) True (d) True

(a) False - Tongue is attached to the floor of the mouth cavity at the back.
(b) False - The large intestine is shorter and wider than the small intestine of the human alimentary canal.
(c) True
(d) True