CROP SCI

The following choices describe the characteristics and elements of temperature EXCEPT,

Temperature increases as the elevation decreases

Temperature decreases as elevation decreases

The mean annual temperature is 27 degrees centigrade

The degree or intensity of heat present in a substance or object

The following are the characteristics of Clay EXCEPT

Close to ideal soil

Rock-hard when dry

Sticky when wet

Does not drain

Which of the following belongs to the first crops to be domesticated?

Peanut

Lentils

Sorghum

Rice

Which of the following is the definition of natural selection?

It is the hereditary reorganization of plants into domestic and cultivated forms

It is the loss of delayed seed germination

Properties that pre-adapt it to a wide variety of environmental conditions that ensure continuation of species

It aims in increasing productivity & quality of crops

Fill in the Blank. In terms of number of species, Natural Selection is ______, _______.

more, select number

few, select number

diverse, more

diverse & not very stable

Which of the following is not a part of the vegetative part?

Stipule

Base

Ovary

Midrib

Which crop is a Biennial crop?

Cabbage

Sunflower

Corn

Coconut

Which of the following is an abiotic material?

Insect

Vertebrates

Wind

Invertebrates

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