Biology · Textbook solutions

Cell Structure and Organization

Every solved example, exercise, and miscellaneous question, in the order the textbook teaches them. · 26 questions

Exercise

26 q

Q1. Choose correct option

Practice · 7

Choose correct option
Ex Q1(A) $Growth of cell wall during cell elongation take place by .............$
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Ex Q1(B) $Cell Membrane is composed of$
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Ex Q1(C) $Plasma membrane is fluid structure due to presence of -$
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Ex Q1(D) $Cell Wall is present in -$
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Ex Q1(E) $Plasma membrane is -$
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Ex Q1(F) $Mitochondrial DNA is -$
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Ex Q1(G) $Which of the following set of organelles contain DNA?$
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Q2. Answer the following questions

Practice · 5

Answer the following questions
Ex Q2(A) $Plants have no circulatory system? Then how cells manage intercellular transport?$
Ex Q2(B) $Is nucleolus covered by membrane?$
Ex Q2(C) $Fluid mosaic model proposed by Singer and Nicolson replaced Sandwich model proposed by Danielli and Davson? Why?$
Ex Q2(D) $The RBC surface normally shows glycoprotein molecules. While determining blood group do they play any role?$
Ex Q2(E) $How cytoplasm differs from nucleoplasm in chemical composition?$

Q3. Answer the following questions

Practice · 3

Answer the following questions
Ex Q3(A) $Distinguish between smooth and rough endoplasmic reticulum.$
Ex Q3(B) $Mitochondria are power house of cell. Give reason.$
Ex Q3(C) $What are the types of plastids?$

Q4. Label the diagrams and write down the details of concept...

Practice · 4

Label the diagrams and write down the details of concept in your word
Ex Q4(A) $Diagram A$
Ex Q4(B) $Diagram B$
Ex Q4(C) $Diagram C$
Ex Q4(D) $Diagram D$

Q5. Complete the flow chart

Practice · 1

Ex Q5 $Complete the flow chart A flow chart of five boxes joined by arrows: an empty box \to 'Transport vesicle' \to 'Golgi apparatus' \to an empty box \to 'Autophagy'.$

Q6. Label the A, B, C, and D in above diagram and write the...

Practice · 1

Ex Q6 $Label the A, B, C, and D in above diagram and write the functions of organells A and B.$

Q7. Identify each cell structure or organelle from it's...

Practice · 4

Identify each cell structure or organelle from it's description below.
Ex Q7(i) $Manufactures/ generates ribosomes$
Ex Q7(ii) $Carry out photosynthesis$
Ex Q7(iii) $Manufactures ATP in animal and plant cells$
Ex Q7(iv) $Selectivelly permeable$

Q8. Onion cells have no chloroplast

Practice · 1

Ex Q8 $Onion cells have no chloroplast. How can we tell they are plants?$