#1. Where do plants store resins and gums?

Old phloem

Old xylem

Chloroplast

Etioplasts

#2. What is the major driving force for movement of water in the xylem during the day?

Root pressure

Transpiration

Photosynthesis

Guttation

#3. What do Gastric glands secrete?

HCI only

HCI and pepsin only

HCI, pepsin, and mucus

HCI, amylase, and mucus

#4. In human beings, where does peristaltic movement occur?

All along the gut

In the heart

In the lungs

In the Kidneys

#5. Which of the following processes does not involve a chemical reaction?

Digestion

Respiration

Melting of candle wax on heating

Excretion

#6. What happens when oils and fats are oxidized?

They become rancid and their taste changes

They become sweet

They turn black

Oils become solids and fats remain liquid

#7. What product is formed upon the burning of magnesium ribbon?

Magnesium hydroxide

Magnesium dioxide

Magnesium oxide

Manganese oxide

#8. What is the relationship between the radius of curvature and fthe ocal length of the spherical mirrors of small apertures?

R = f

R = 2f

R = 0.5f

R = 3f

#9. The image formed by a concave mirror is real, inverted and of the same size as that of an object. The position of the object is:

At F

Between C and F

At C

Beyond C

#10. What will happen to a ray after passing through the principal focus of a concave mirror?

It emerges parallel to the principal axis

It turns back along the same path it passes through the principal axis

It passes through the principal axis

It gets reĈected obliquely

#11. Burning of plastics releases which of the following harmful gases in the atmosphere:

Dioxins

Helium

Oxygen

Hydrogen

+917649911100

ALLIED question paper – 2019-SCIENCE

Results

#1. Where do plants store resins and gums?

#2. What is the major driving force for movement of water in the xylem during the day?

#3. What do Gastric glands secrete?

#4. In human beings, where does peristaltic movement occur?

#5. Which of the following processes does not involve a chemical reaction?

#6. What happens when oils and fats are oxidized?

#7. What product is formed upon the burning of magnesium ribbon?

#8. What is the relationship between the radius of curvature and fthe ocal length of the spherical mirrors of small apertures?

#9. The image formed by a concave mirror is real, inverted and of the same size as that of an object. The position of the object is:

#10. What will happen to a ray after passing through the principal focus of a concave mirror?

#11. Burning of plastics releases which of the following harmful gases in the atmosphere:

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