Class 11 Biology Model Question Set B

Which of the following organelles is directly involved in photorespiration?

A) Mitochondria only

B) Chloroplast only

C) Peroxisome, chloroplast, and mitochondria

D) Golgi body and endoplasmic reticulum

The botanical name of maize is:

A) Oryza sativa

B) Zea mays

C) Triticum aestivum

D) Solanum tuberosum

The symbiotic association between fungi and roots of higher plants is called:

A) Lichen

B) Mycorrhiza

C) Mycoplasma

D) Rhizoid

Mesosomes in bacteria function analogously to which eukaryotic organelle?

A) Ribosome

B) Lysosome

C) Mitochondria

D) Nucleolus

Crossing over takes place during which sub-stage of meiotic prophase I?

A) Leptotene

B) Zygotene

C) Pachytene

D) Diakinesis

The type of vascular bundle found in monocot roots is:

A) Conjoint, collateral, and open

B) Radial and polyarch

C) Conjoint, bicollateral, and closed

D) Concentric and amphibasal

Pneumatophores (breathing roots) are typically found in plants growing in:

A) Hydrophytic regions

B) Xerophytic regions

C) Halophytic (mangrove) regions

D) Mesophytic regions

Which of the following is a vestigial organ in humans?

A) Wisdom teeth

B) Vermiform appendix

C) Nictitating membrane

D) All of the above

The excretory organs of an earthworm (Pheretima) are:

A) Malpighian tubules

B) Flame cells

C) Nephridia

D) Green glands

Which respiratory organ is primarily used by a frog while hibernating?

A) Lungs

B) Skin (Cutaneous)

C) Buccal cavity

D) Gills

The theory of inheritance of acquired characters was proposed by:

A) Charles Darwin

B) Jean-Baptiste de Lamarck

C) Hugo de Vries

D) August Weismann