List of top Botany Questions

Identify the correct statements regarding Bryophytes.

Assertion (A): Pollinators such as bees, moths, butterflies beetles and flies are major invertibrates. Reason (R): Destruction of land for domestic uses, the food and resting requirements of pollinations are disrupted.

Assertion (A): Though the parents contain two alleles during gamete formation, the alleles of a pair segregate from each other. Reason (R): Segregation is a universal phenomenon in all organisms showing sexual method of reproduction.

In Gymnosperms like Pinus, the female gametophyte is retained within the:

Which one of the following branch of Botany is helpful for understanding the course of evolution in plants?

Choose the incorrect statements among the following: A) Sexual reproduction in plants was discovered by Malpighi in Maize. B) The Micropropagation results in development of large number of plants in Laboratory. C) Phylogenetic classification was proposed by the studies of Mendel during 19th century. D) Went identified the Auxins presence

Assertion (A): Dicliny is to prevent self pollination by producing unisexual flowers. Reason (R): Dioecious condition of papaya prevent both autogamy and geitonogamy.

Arrange the following events of lytic cycle of virus in a sequence: A) Phage DNA is assembled in the protein to form viral particles. B) Bacterial cell lysis, releasing completed infective phages. C) The phage DNA directs the cell's metabolism to produce viral components. D) Phage attaches to receptor site of bacterial cell.

In an urban garden, a student observes a plant where more than two leaves arise at each node, forming a circle. This phyllotaxy is seen in:

Choose the correct statements among the following: A) As the anthers of Hibiscus is single lobed it will have four microsporangia B) Pollengrain has two layers wall made up of sporopollenin C) By maturation and dehydration, Microspores develop into pollengrain D) Epidermis, endothecium and middle layer will help in dehiscence of anthers

Which of the following pair of symptoms are not commonly appear during viral diseases to plants:

The electron transport system present in the mitochondrial membrane, complex-II and complex-IV are respectively:

Identify the non-membrane bound bodies in the cell among the following: A) Chloroplast B) Peroxysomes C) Ribosome D) Endoplasmic reticulum E) Phosphate granules F) glycogen granules

Match the column-I with column-II: A) Lipases, B) Pectinases, C) Streptokinase, D) Statin (I) Juice clarification, (II) Remove oil stains, (III) Lowers blood-cholesterol, (IV) Remove clots from blood vessels

Each of the peripheral fibrils in centriole are made up of:

Name the plants grow in shady places and growing in direct sunlight are called respectively: A. Heliophytes
B. Sciophytes
C. Mesophytes
D. Hydrophytes

Transfer of new genes into wild species through natural out-crossing leads to:

Choose the correct statements among the following: A) Some genes are very tightly linked on the same chromosome, which shows higher recombination. B) Sutton proposed the chromosome theory of inheritance. C) Behaviour of the chromosome was parallel to the behaviour of genes. D) Mendel's selection of one of the contrasting traits is seed shape as inflated and wrinkled.

Choose the correct statements among the following: A) The margin of thalamus grown upward, enclosing the ovary completely in cucumber B) Calyx are green leaf like and protect the flower during bud stage C) In Canna the flower can be made into two similar halves by any vertical plane D) In Cassia the margins of sepals overlap in any particular direction

Identify the molecules with 4 double bonds with 2 Nitrogen atoms and 4 double bonds with 5 Nitrogen atoms in the following respectively.

Roundup Ready soybean has which one of the following features?

In the fertilization process of Angiosperms, the pollen grain is usually shed at which stage?

Water potential is decreased when some solute dissolved in water because:

Identify the Theophrastus botanical works among the following: A) Vrikshayurveda B) Species plantarum C) Enquiry into plants D) Causae plantarum