List of top Botany Questions on Reproduction in Plants

સામાન્ય બાયલોબ્ડ (bilobed) એન્જિયોસ્પર્મ એન્થરના દરેક લોબમાં કેટલા થીકા (theca) હોય છે?

જો સામાન્ય એન્જિયોસ્પર્મની ડાયપ્લોઇડ ક્રોમોસોમ સંખ્યા 36 હોય, તો તેના એન્ડોસ્પર્મમાં ક્રોમોસોમ સંખ્યા કેટલી હશે?

सूची-I को सूची-II के साथ सुमेलित कीजिए।
\[ \begin{array}{ll} A.\; युग्मकों के बीच जीवद्रव्य का संलयन & I.\; अर्धसूत्री विभाजन \\ B.\; दो केन्द्रकों का संलयन & II.\; प्लाज्मोगैमी \\ C.\; अगुणित बीजाणुओं का निर्माण & III.\; केन्द्र संलयन \end{array} \] नीचे दिए गए विकल्पों में से सही उत्तर चुनिए :

Microorganism forming symbiotic association with plants and helps them in their nutrition is:

RNA interference involves:

Which collections of preserved plant and animal specimens help for study and reference?

Cry II Ab and Cry I Ab produce toxins respectively that control

In which type of placentation, unilocular ovary is present? I. Marginal II. Axile III. Parietal IV. Free central V. Basal

Choose the correct statements among the following: A) In bryophytes and pteridophytes spores produced are always haploid B) Chlamydomonas will produce only non-motile zoospores C) Plants produced vegetatively or asexually are called clones D) Asexual reproduction is common method in relatively simple organisation organisms

Germination of seeds while still attached to the mother plant is

Diplontic life cycle is shown by:

Match the following:

Loosely arranged parenchyma cells in Lenticels:

Mycoplasma causes 'X' disease in plants and 'Y' disease in cattle. 'X' and 'Y' diseases serially are

Identify the correctly matched pairs.
A. Leptotene - Synapsis occurs
B. Zygotene - Pairing of homologous chromosomes
C. Pachytene - Crossing over do not occur
D. Diplotene - Nuclear membrane dissolves
E. Diakinesis - Terminalisation of chiasmata

Leaf tendrils and foliar stipules are found in this plant

Select the correct pair

Identify the below structural formula along with its related function

Anatomical characters applicable to hydrophytes and xerophytes respectively are

Assertion (A): External fertilization occurs in Angiosperms.
Reason (R): In internal fertilization organisms, egg is formed inside female body.
Identify the correct option from the following

Choose the correct statements among the following
I. Diplo haplontic life cycle can be seen in Bryophyte.
II. In Volvox, meiosis in zygote results in haploid spore.
III. Cycas has siphonogamous oogamy.
IV. Mycorrhizal association can be seen in Cycas roots.