Explore topic-wise MCQs in Current Affairs.

This section includes 2265 Mcqs, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.

1051.

When used to describe a plant, the word deciduous means that

A. The plant is perennial
B. The plant sheds its leaves each year
C. The plant is a shrub
D. All of the above
Answer» C. The plant is a shrub
1052.

In spinach, pollination takes place by means of:

A. Water
B. Insects
C. Birds
D. Wind
Answer» E.
1053.

Chlorophyll formation takes place within a light wavelength of _________:

A. 150-200
B. 200-300
C. 300-675
D. 700-900
Answer» D. 700-900
1054.

A whorl of leaves arising at the base of plants is:

A. Scales
B. Reflexed
C. Rosette
D. None of these.
Answer» D. None of these.
1055.

Melons belong to the family

A. Cucurbitaceae
B. Solanaceae
C. Crucifereae
D. None of these
Answer» B. Solanaceae
1056.

Dormancy is a function of interaction of growth promoter like GA and growth inhibitorlike _________:

A. ABA
B. Cycocell
C. Alar
D. Paclobutrazole
Answer» B. Cycocell
1057.

Both asphalt and concrete are used for hard surfacing driveways. Which of thefollowing is true for asphalt?

A. The thickness of an asphalt needed for a driveway is less than the thickness of concretevneeded for a driveway.
B. Asphalt should be pitched to promote drainage
C. Asphalt does not need a porous base material
D. Asphalt is crowned to promote drainage
Answer» D. Asphalt is crowned to promote drainage
1058.

Self pollination is a form of:

A. Inbreeding
B. Out breeding
C. Random mating
D. None of these
Answer» B. Out breeding
1059.

According to international standards medicinal plants are those plants which haveactive ingredients in the range of:

A. 10%
B. 20%
C. 40-60%
D. none of above
Answer» E.
1060.

Vine of crop of bottle gourd is not staked during:

A. Summer season
B. Rainy season
C. Early season
D. Late season
Answer» B. Rainy season
1061.

Which enzyme is involved in ethylene synthesis;

A. ACC synthase
B. ACC oxidase
C. Endoploygalacturonase
D. a & b
Answer» E.
1062.

Citrus seeds can be stored with Charcoal at following temperature in dryconditions.

A. 0-3°C
B. 3-10°C
C. 10-15°C
D. Above 15°C
Answer» C. 10-15°C
1063.

Colour of carrot roots is affected by:

A. Soil temperature
B. Soil moisture
C. Soil texture
D. All of above
Answer» C. Soil texture
1064.

Most of following category crops are shallow rooted

A. Summer
B. Winter
C. Off season
D. All of above
Answer» B. Winter
1065.

Which of the tree bears red colour flowers?

A. Erythrena subrosa
B. Albizia lebbek
C. Sapium sebiferum
D. Thuja orientalus
Answer» B. Albizia lebbek
1066.

A line of demarcation that creates visual interest in a landscape by separating onesegment from another is called

A. Edging
B. Border
C. Fencing
D. Line
Answer» B. Border
1067.

Polyembryony means

A. One embryo
B. Two embryo
C. More than two embryo
D. More than three embryo
Answer» E.
1068.

Rest is a natural process in

A. Seed
B. Seed & plant
C. Plant
D. Tropical plant
Answer» C. Plant
1069.

Leafy vegetables provide

A. Iron
B. Carbohydrates
C. Protein
D. None of these
Answer» B. Carbohydrates
1070.

The most common synthetic root-promoting chemicals are:

A. IBA and AAN
B. CCA and ACD
C. ISO and OSB
D. IBA and NAA
Answer» E.
1071.

Factors involved in the formation of auxins are:

A. Age of apex
B. Light
C. Zinc
D. All of the above
Answer» E.
1072.

Chilling injury in plants occurs at a temperature:

A. <4°C
B. <5°C
C. <8°C
D. <9°C
Answer» C. <8°C
1073.

Flowering in water melon is unaffected by light duration as it is:

A. Short day long night plant
B. Long day short night plant
C. Day neutral plant
D. None of the above
Answer» C. Day neutral plant
1074.

Following plant(s) is/are propagated through seed.

A. Murva
B. Bottle palm
C. None of above
D. All above
Answer» E.
1075.

Parthenocarpic cucumber develops due to:

A. After pollination
B. Without pollination
C. None of above
D. a & b
Answer» C. None of above
1076.

Apple flower is distinguished from pear flower:

A. Due to its colour
B. Due to its size
C. a & b
D. None
Answer» D. None
1077.

Common rootstocks for apple in Pakistan

A. M-7
B. M-9
C. Crab apple
D. Sky spur
Answer» D. Sky spur
1078.

Auxin destruction activity is inhibited by :

A. Blue light
B. Red light
C. Green light
D. None of the above
Answer» C. Green light
1079.

When designing an asymmetrical floral arrangement, the floral designer must consider which of the following design principles:

A. Proportion
B. Balance
C. Focal point
D. All of the above
Answer» E.
1080.

Apple flower has carpels like

A. Five
B. Six
C. Seven
D. One
Answer» B. Six
1081.

Seed production in biennial vegetables is mostly done by:

A. Seed to seed method
B. In situ method
C. Replanting method
D. All of above
Answer» E.
1082.

Water availability, temperature extremes, and __________ should be considered whenselecting trees for the landscape.

A. Slope
B. Topography
C. Soil type
D. Buildings present
Answer» D. Buildings present
1083.

Light intensity is expressed as:

A. Foot-candles
B. Micrometers
C. Candlelights
D. All of the above
Answer» B. Micrometers
1084.

In citrus, 2n chromosome number is

A. 18
B. 22
C. 33
D. 20
Answer» B. 22
1085.

Excessive soil moisture, late in the season cause.

A. Decrease in TSS decrease in dry matter
B. Increase in TSS decrease in dry matter
C. Decrease in TSS increase in dry matter
D. None of above
Answer» D. None of above
1086.

Plants, protein, RNA, DNA contents are increased by

A. Auxins
B. Adenine
C. Cytokinins
D. None of above
Answer» D. None of above
1087.

Failure of a viable pollen to grow down the style of the flower of the same variety iscalled ___________:

A. Self sterility
B. Self incompatibility
C. Self unfruitfulness
D. Sterility
Answer» C. Self unfruitfulness
1088.

What information is not mentioned in the legend on a final landscape plan?

A. Plant names
B. Specific notes concerning installation
C. Plant quantities
D. Designer’s name
Answer» E.
1089.

Molaurty is defined as number of moles of solute per

A. 100 Liters of solution
B. 10 liter of solution
C. 1000 liter of solution
D. 1 liter of solution
Answer» E.
1090.

Dhaki variety of date palm was originated in:

A. Sindh
B. NWFP
C. Balochistan
D. Punjab
Answer» C. Balochistan
1091.

Which of the following vegetable has a dioecious behaviour:

A. Onion
B. Cabbage
C. Bitter gourd
D. Spinach
Answer» D. Spinach
1092.

Chilling injury is common in;

A. Temperate fruits
B. Tropical and sub-tropical fruits
C. Deciduous fruits
D. None of above
Answer» C. Deciduous fruits
1093.

In Pakistan the postharvest losses of fruits and vegetables ranges between;

A. 10-15%
B. 15-20%
C. 20-30%
D. 20-40%
Answer» E.
1094.

Most of the cucurbits are:

A. Salt tolerant
B. Salt sensitive
C. a & b
D. None
Answer» B. Salt sensitive
1095.

The biggest fruit plant containing family is:

A. Rosaceae
B. Citrea
C. Leguminoseae
D. Vitaceae
Answer» B. Citrea
1096.

Which vegetable cannot be grown as an off season vegetable:

A. Tomato
B. Potato
C. Chillies
D. Cucumber
Answer» C. Chillies
1097.

Banana plants are infected with:

A. Banana bunchy top
B. Anthracnose of stem
C. Rhizome wilt
D. None
Answer» B. Anthracnose of stem
1098.

Staking of vines in rainy season is done to avoid:

A. Insect attack
B. Disease attack
C. Sunscald
D. None of these
Answer» C. Sunscald
1099.

Apple belongs to the family

A. Ancardiaceae
B. Palmaea
C. Rutaceae
D. Rosaceae
Answer» E.
1100.

Date palm propagation is by means of:

A. Suckers
B. Seeds
C. Off shoots
D. None
Answer» B. Seeds