REVISION (BIOLOGY)- IX- Short Questions

1) Fill in the blanks:

a) Ribosomes are rich in ____ and ____.

b) RNA stands for _____.

c) Virchow started ___ ____ ____ ____.

d) Plasma membrane is made of ___ and ___.

e) Membraneless nuclear area found in prokaryotic cells is____.

2) State whether the following statements are true or false 

a) Animal cells contain a cell wall.

b) Chemically, cell wall is made up of proteins.

c) Plant cells contains a large vacuole.

d) The matrix which surrounds the nucleus is called protoplasm.

e) Genes are made of proteins.

f) Genes are located in chromosomes.

3) Match the Columns

COLUMN A 

a) Mitochondria 

b) Cell membrane 

c) Chloroplast 

d) Cell wall 

e) Nucleus

COLUMN B 

i) partially permeable in substances solution 

ii) energy is released from the oxidation of glucose.

iii)  fully permeable to substances in solution

iv) contains the chromosomes 

v) light energy is captured 

4)a) Muscles responsible for movent of food in stomach are:

i) cardiac ii) Striated iii) Unstriated iv) none 

b) Tendons connect 

i) Nerve to muscle 

ii) Muscle to muscle

iii) bone to bone d) none 

c) Which of these components of blood fights infection ?

i) red blood cells ii) white blood cells iii) platelets iv) all of these

d) cardiac muscle is

i) Striated  ii) Involuntary iii) smooth d) both A and B are correct.

e) Tendons and ligaments are 

i) connected tissue

ii) associated with the bones 

iii) found in vertebrates 

d) all of these are correct 

f) Which tissue has cells in lacunae ?

i) Epithelial tissue ii) cartilage iii) bone iv) both b and c 

g) Which of these is not an epithelial tissue?

i) bone and cartilage 

ii) Simple cuboidal and stratified 

iii) Stratified squamous and simple squamous 

iv) all of these are epithelial tissue