Complete the following statement :
a. In cockroach grinding of food particle is performed by ____________
b. Malpighian tubules help in removal of ___________________________
c. Hind gut of cockroach is differentiated into ______________________
d. In cockroach blood vessels open into spaces called ______________

Q: Write true or false. If false change the statement so that it is true.
(a) Actin is present in thin filament
(b) H-zone of striated muscle fibre represents both thick and thin filaments.
(c) Human skeleton has 206 bones.
(d) There are 11 pairs of ribs in man.
(e) Sternum is present on the ventral side of the body.

Q: Match the following:
(a) Operculum (i) Ctenophora
(b) Parapodia (ii) Mollusca
(c) Scales (iii) Porifera
(d) Comb plates (iv) Reptilia
(e) Radula (v) Annelida
(f) Hairs (vi) Cyclostomata and Chondrichthyes
(g) Choanocytes (vii) Mammalia
(h) Gill slits (viii) Osteichthyes

Q: Describe the events taking place during interphase.

Hydroponics have been shown to be a successful technique for growing of plants. Yet most of the crops are still grown on land. Why?

Mycorrhiza is a mutualistic association. How do the organisms involved in this association benefit from each other?

Q: How is the mycorrhizal association helpful in absorption of water and minerals in plants?

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Read the question carefully and focus on the core concept being asked.
Reference examples and data from the chapter when answering questions about Transport in Plants.
Review previous year question papers to get an idea of how such questions may be framed in exams.
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Welcome to the NCERT Solutions for Class 11 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 0 , Question 3: Why are natural membranes selectively permeable. Give examples.....

Why are natural membranes selectively pe | Class 11 Biology Chapter Transport in Plants, Transport in Plants NCERT Solutions

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