Tag: botany

Quizzes (264) Questions (5276)

Questions Related to botany

Multiple choice botany families of angiosperms family fabaceae eudicots family - fabaceae, sativum and solanaceae study of some important families

Corolla is papilionaceous in

  1. Fabaceae

  2. Asteraceae

  3. Poaceae

  4. Solanaceae
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Corolla is the second axillary whorl composed of petals. Like calyx, corolla also protects essential stamens and carpels within. Papilionaceous corolla has five free petals resembling a butterfly. The posterior superior petal is larger than the others (vexillum or standard), two anterior inferior petals which are usually more or less united forming a boat-shaped structure (carina or keel), two lateral petals called wings which overlap the carina and are themselves overlapped with the vexillum. This is a characteristic of subfamily Papilionaceae (eg: pea flower) belonging to family Fabaceae.

So, the correct answer is 'Fabaceae'.

Multiple choice botany reproduction in flowering plants common modes of vegetative propagation plant breeding for food production tissue culture

Stem cuttings are commonly used for propagation in 

  1. Rubber

  2. Mangoes

  3. Sugarcane

  4. Jasmine
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Vegetative reproduction is a type of asexual reproduction in which new plants are formed from the vegetative parts like, tubers, runners, suckers, rhizomes etc. Some of the plants can be propagated by the means of cutting. The part which is cut is allowed to grow into a new plant. Stem cutting which can be referred as the cane cuttings are used in the case of sugarcane. 

So, the correct answer is option C.

Multiple choice botany living world and classification of microbes bacteria - introduction, shape and structure bacteria: types and structure bacteria; benefits and harmful effects

Commercial lac is produced from .............

  1. The nest of a type of bird

  2. The exudation of a type of insect.

  3. The scale of a type of a fish

  4. The root of a plant
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Commercial lac is a resinous substance secreted by the lac insect (Laccifer lacca) on certain host trees. It is harvested and processed for use in varnishes and dyes.

Multiple choice botany fundamental unit of life: cell animal cells vs plant cells comparing plant and animal cells comparison between animal and plant cell

Who was the major proponent of the endosymbiotic hypothesis?

  1. Matthias Schleiden

  2. Theodore Schwann

  3. Rudolf Virchow

  4. Lynn Margulis
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Lynn Margulis was the primary scientist who developed and popularized the endosymbiotic theory, which explains the origin of mitochondria and chloroplasts.