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.

701.

Date growth does not cease if temperature does not fall below:

A. 0°C.
B. 10°C
C. 18°C
D. 20°C
Answer» D. 20°C
702.

The main commercial method for propagating African violets is by:

A. Seeds
B. Crowns
C. Tubers
D. Leaf petioles
Answer» E.
703.

Which of the following plants is known as dessert saroo?

A. Populus nigra
B. Bahinia varigata
C. Sapium seveferum
D. Casuarina equistifolia
Answer» E.
704.

High temperature in chillies causes

A. Flower drop
B. Fruit drop
C. Both of the above
D. None of these
Answer» D. None of these
705.

Botanical seed of potato is

A. Seed potato
B. Potato seed
C. None of above
D. Slips
Answer» C. None of above
706.

Flower bearing in ber occurs during

A. Spring
B. Winter
C. Summer
D. Autumn
Answer» E.
707.

The sweet orange is a

A. Loose skinned
B. Tight skinned
C. Both of them
D. Non of these
Answer» C. Both of them
708.

Chromosome number of mango are

A. n=20
B. n=17
C. n=8
D. n=11
Answer» B. n=17
709.

Which of the following plants are used for the extraction of scent?

A. Rose
B. Murva
C. Citrus
D. All of above
Answer» D. All of above
710.

Maximum production of date palm is in:

A. Iran
B. Algeria
C. U.S.A.
D. Iraq
Answer» E.
711.

The purpose of staking is to

A. Protect the trunk
B. Prevent root damage due to wind action
C. Prevent wind injury to branches
D. Prevent damage due to frost.
Answer» D. Prevent damage due to frost.
712.

Senescence is a stage of

A. Tissue decay
B. Tissue multiplication
C. Tissue vigour
D. Tissue ripening
Answer» B. Tissue multiplication
713.

Germination of undeveloped seeds is favored by:

A. Warm temperature (>20°C)
B. Gibberallic acid
C. Low temperature (<20°C)
D. a & b
Answer» E.
714.

Rubber plant can be propagated through:

A. Aerial layering
B. Cutting
C. All above
D. None of above
Answer» D. None of above
715.

The night temperature of indoor plants should be _________ºF cooler than day timetemperature

A. 5-10
B. 3-4
C. 20-30
D. 10-15
Answer» E.
716.

Which of the following describes plants that lose their leaves during the winter?

A. Evergreen
B. Deciduous
C. Coniferous
D. Herbaceous
Answer» C. Coniferous
717.

A dry and often papery covering of corms & some bulbs, is known as:

A. Trumpet
B. Plunging
C. Fall
D. Tunic
Answer» E.
718.

Sensation is the variety of:

A. Sweet orange
B. Grape fruit
C. Mandarin
D. Mango
Answer» E.
719.

Causes of misshapen and angularity in cucumber fruit under tunnel is due to

A. Poor pollination
B. Poor fertilization
C. Proper pollination
D. None
Answer» B. Poor fertilization
720.

Storage life of vegetables increased by the use of GA spray at harvesting time

A. 50 ppm
B. 100 ppm
C. 200 ppm
D. None of above
Answer» B. 100 ppm
721.

In plants auxin are mainly present in:

A. Root tips
B. Stem end
C. Shoot tips
D. Leaf margins
Answer» D. Leaf margins
722.

Any detached plant part which, when placed under favorable conditions will produce anew plant identical to the parent plant is called a:

A. Cutting
B. Seed
C. Plug
D. Graft
Answer» B. Seed
723.

Abscisic acid (ABA) is natural plant hormone, which:

A. Promote the growth
B. Initiate the ripening
C. Induce the fruit maturity
D. retards the growth
Answer» E.
724.

Piping is carried out in

A. Chrysanthemum
B. Rose
C. Gladiolus
D. Carnation
Answer» E.
725.

RCBD stands for:

A. Repeated control block design
B. Reported complete block design
C. Randomized complete block design
D. All of above
Answer» D. All of above
726.

Most of the summer vegetables belong to family:

A. Solanaecae
B. Cucurbitaceae
C. Malvaceae
D. Poaceae
Answer» C. Malvaceae
727.

Sprigging is:

A. Cutting grass to kept it short
B. Sowing a lawn
C. Chopping up a lawn to provide better drainage
D. Planting individual plants, runners, or stolons to establish a lawn
Answer» E.
728.

Tulip is an example of

A. Rhizome
B. Bulb
C. Tuber
D. Corm
Answer» C. Tuber
729.

Lowering the soil grade around a tree removes many of the tree’s __________ roots.

A. Tap
B. Aerial
C. Feeder
D. Aquatic
Answer» D. Aquatic
730.

Skirt in date palm fruit is

A. Exocarp
B. Merocarp
C. Endocarp
D. Seed
Answer» D. Seed
731.

Lotus is famous for

A. Home gardening
B. Rock gardening
C. Water gardening
D. None of these
Answer» D. None of these
732.

Tunnels for vegetable forcing are categorized as

A. High type
B. Low type
C. Walk in type
D. All of these
Answer» E.
733.

Moisture is lost through small openings on the underside of the leaves known as:

A. Air holes
B. Stems
C. Stomata
D. None of the above
Answer» D. None of the above
734.

Fertilization after opining of flower refers to:

A. Cleistogamy
B. Chasmogamy
C. Homogamy
D. Herkogamy
Answer» C. Homogamy
735.

For optimum vase life, most cut flowers should be stored at temperatures close to:

A. 40 ºF
B. 45 ºF
C. 30 ºF
D. 50 ºF
Answer» B. 45 ºF
736.

Maturation of anthers and stigma at the same time refers to:

A. Homogamy
B. Chasmogamy
C. Cleistogamy
D. Dichogamy
Answer» B. Chasmogamy
737.

Alkaloids are

A. Alkali like compounds
B. Neutral compounds
C. Basic compound
D. Complex nitrogen compound
Answer» C. Basic compound
738.

Flowers which are grown from bulbs include

A. Zinnia
B. Tulip
C. Marigolds
D. All of the above
Answer» C. Marigolds
739.

CRD is a statistical approach for:

A. Field experiment
B. Laboratory experiment
C. a & b
D. None
Answer» C. a & b
740.

Hybrid vigor in vegetables is manifested by

A. High yield
B. Uniformity in size
C. Uniformity in maturity
D. All of above
Answer» E.
741.

Secondary dormancy in non dormant seeds is due to:

A. Temperature
B. Moisture
C. Aeration
D. Light
Answer» B. Moisture
742.

Araucaria is a________________ plant:

A. Tropical
B. Sub-tropical
C. Temperate
D. All of above
Answer» D. All of above
743.

Excess of N in citrus plant may cause

A. Leaf drop
B. Lodging
C. Flower drop
D. Fruit drop
Answer» D. Fruit drop
744.

Carrot is a rich source of vitamin:

A. Vitamin A
B. Vitamin C
C. Vitamin D
D. Vitamin E
Answer» B. Vitamin C
745.

In pineapple sweet orange, fruit drop in month of June is upto:

A. 66%
B. 76%
C. 86%
D. 96%
Answer» E.
746.

Bunchy top disease in banana is said to be due to:

A. Virus
B. Insects
C. improper storage
D. fungus
Answer» B. Insects
747.

Which of the following plants require severe pruning?

A. Lagerstromea purporea
B. Nerium odorum
C. Jasminum sambac
D. Thuja orientalis
Answer» B. Nerium odorum
748.

Internal browning in apples takes place due to _______:

A. Fungus
B. High temperature
C. Hail storm
D. Bacteria
Answer» C. Hail storm
749.

Solanum melogena is locally known as :

A. Tomato
B. Potato
C. Egg plant
D. Chillies
Answer» D. Chillies
750.

Tea leaves contains

A. Tannins
B. Alkaloids
C. Alkaloids and tannins
D. None of above
Answer» D. None of above