STD-VI, STRUCTURE AND FUNCTION OF PLANTS & WORK AND ENERGY, Extra MCQs

 1.  Pick the odd one out-

(a) Sepals

(b) Stigma

(c) Ovary

(d) Style

 

ANS: Sepals

 

2.  The total number of whorls, in a flower, is/are-

(a) one

(b) two

(c) three

(d) four

 

ANS: four

 

3.  The sea creature that can produce significant amounts of electricity is the-

 

ANS: Electrical eel

 

4.  The _____ attaches a single flower to the inflorescence.

 

ANS: Pedicel

 

5.  The inside of electric bulb is filled with an _____ gas like argon or nitrogen.

 

ANS: inert

 

6.  A natural battery is present in our ______.

(a) stomach

(b) eye

(c) ear

(d) hand

 

ANS: ear

 

7.  The expanded flat part of the leaf is called as its-

(a) Leaf blade

(b) Leaf margin

(c) Petiole

(d) Mid-rib

 

ANS: Leaf blade

 

8.  Buds are found on the leaves of ______.

 

ANS: Bryophyllum

 

9.  Bulb in a circuit will not glow if-

(a) the switch is on

(b) there is no air gap in the circuit

(c) the path of current is open

(d) the path of current is closed

 

ANS: the path of current is open

 

10.  Find the odd one out.

(a) Gold

(b) Silver

(c) Copper

(d) Wood

ANS: Wood