Question # 1

Which of the following describes the process of natural selection?

Choose an answer

Change from simple to more complex organisms

Differential reproductive success between genotypes

Increase in size of population

Occurrence of new mutations

Family ------------ incluldes 100 genera and 850 species

Choose an answer

Compositeae

Crucifereae

Labiateae

Cucurbitaceae

--------- is produced when phosphoenolpyruvic acid combines with CO₂

Choose an answer

Oxalic acid

Citric Acid

Abcissic acid

Oxalomalic acid

Members of family -------- are a source of camphor

Choose an answer

Cucurbitaceae

Labiaceae

Compositeae

Malvaceae

Which true about pattern baldness except

Choose an answer

It is x-linked disease

It is sex influenced trait

It is autosomal recessive trait in females

It is autosomal dominant trait in male

In an ecosystem Green photosynthetic plants, which capture and bring light energy into ecosystem are termed as

Choose an answer

Consumers

Decomposers

Producers

Parasites

While studying a community er come across three levels of organizations which include all of these except

Choose an answer

Individual

Population

Community

Species

Raphanussativusis the botanical name of

Choose an answer

Radish

Cabbage

Wall fruit

Wall cress

Ray florets have ------------ flowers

Choose an answer

Tubular

Ligulate

Round

None

Nullo gamete is

Choose an answer

With one sex chromosome

With one sex chromosome present

With no sex chromosome

Without any chromosome

Stephen Endlicher classified plants into two major groups

Choose an answer

Thalophytes and pteridophytes

Thalophytes and carmophytes

Bryophytes and pteridophytes

Angiosperms and ghmnosperms

Those individuals whose inherited characteristic fit them best to their environment are likely to leave more offspring, it is referred as

Choose an answer

Artificial selection

Natural Selection

Survival of the fittest

Both B and C

In Zygomycota during sexual reproduction, zygota formed directly by the fusion of hyphae forms temporary, dormant, thick walled resistant structure called as

Choose an answer

Ascospores

Zygospores

Asci

Ascocarps

Adolph Engler classified the whole plant kingdom on the basis of

Choose an answer

Natural

Artificial

Phylogenetic

Modern

Gene pool is the total aggregate of gene a ----------- at any one time.

Choose an answer

Individual

Population

DNA

Chromosome

If an author cited two or more specimens as types, the remaining cited species are

Choose an answer

Lectotype

Syntype

Paratype

Neotype

Seed of rosaceae is

Choose an answer

Edosperm

Endosperm oily

Non endosperm

None

If two substances move in different directions, through the membrane, the contransport is called;

Choose an answer

Antiplast

Heteroplast

Apoplast

None

Potentillaanserina is useful in

Choose an answer

Asthma

Dissolving kidney stones

Skin diseases

Stomach disorders

An organism that is caught and eaten is called

Choose an answer

Predator

Prey

Ectoparasites

Endoparasites

Natural system of classification is based on characters

Choose an answer

Reproductive and anatomical

Morphological and anatomical

Morphological and reproductive

Vegetative and reproductive

More Classes

Other Links

NAT-IIB Biological Science Botany Hard Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer