Question

Only answers please
One of the following is not produces in photosynthesis *

carbon dioxide
water
oxygen
starch
Which is the correct sequence of air passage during inhalation:- *

Nostrils → larynx → pharynx → trachea → lungs
Nasal passage → trachea → pharynx → larynx → alveoli
larynx → Nostrils→ pharynx → lungs
Nostrils → pharynx →larynx → trachea → alveoli
The compound which is used in glass, soap and paper industries is *

washing soda
Baking soda
lime water
Bleaching power
A liquid added to crushed egg- shells gives a gas that turns lime water milky. The liquid contains. *

Nacl
HCl
Licl
KCl
The blood leaving the tissues becomes rich in:-

carbon dioxide
water
haemoglobin
oxygen
A solution turns blue limits red, its pH is likely to be *

10
12
9
2
An electric heater is rated at 2kw. Electrical energy cost Rs. 8 per kwh. what is the cost of using the heater for 3 hours? *

12 Rs.
24 Rs.
36 Rs.
48 Rs.
A piece of wire of resistance R is cut into five equal parts these parts are then connected in parallel. The net resistance now will be : *

R/25
R/5
5R
25R
What prevents backflow of blood inside the heart during contraction?

valve in heart
thick mussular walls of ventricles
thin walls of atria
all of above
which of the following is a strong acid?

Ethonoic acid
Citric acid
Tartaric acid
Sulfuric acid
A feature of reproduction that is common to amoeba, spirogyra and yeast is that

they reproduce asexually
they all are anaewbic
they reproduce sexually
they all are multicellular
Urine produced in kidney passes through *

urethra
uters
intestine
reehim
Vegetable propagation refer to formation of new plants from: *

stem
roots
leaves
All of the above
Electrical resistivity of a given metallic wire depends upon *

its length
its thickness
its shape
nature of the material
The electric bulb is rated 220v and 100w. Its resistance is : *

444 ohm
22 ohm
2.2 ohm
None of the above
Which of the following correctly describes the magnetic filed near a long straight wire? *

The field consists of straight lines perpendicular to the wire
The field consists of straight lines parallal to the wire
The field consists of radial lines originating from the wire
The field consist of concentric circles around the wire.
With the increase in the concentration of hydrogen ions, the ph value will.

increase
decrease
remain constant
remain fluctuating
Rhizopus, reproduces through are:- *

spores
fruits
flowers
roots
Asexual reproduction takes place by: *

breaking up of filament into smaller bits
division of a cell into two cells
division of cell into many cells
All of the above
Which one of the following type of medicines is used for treating indigestion? *

Antibiotic
Analgesic
Antacid
antiseptic
A soft iron bar is inserted inside a current carrying solenoid the magnetic field inside the solenoid. *

will decrease
will increase
will become zero
will remain the same
The filtration units of kidneys are called:- *

ureter
chlorophyll
neurons
nephrons

Answer 1

Water is not present in photosynthesis