In plants, the neighbouring cells are connected with one another by. September 14, 2025 by Admin Plasmodesmata Cell walls Vacuoles Both ‘a’ & ‘b’ ✅ The correct answer is option D.
In a hot summer afternoon, if your body’s Homeostatic machinery keep your internal temperature quite lower than that of external than this is an example of September 14, 2025 by Admin Positive feedback Negative feedback Feedback Osmoregulation ✅ The correct answer is option B.
A chromosome is made of September 14, 2025 by Admin 2 chromatids +1 centromere +secondary constriction 1 chromatids + 1 centromere + primary constriction 2 chromatids + 1 centromere + primary constriction 2 chromatids + 2 centromere + secondary constriction ✅ The correct answer is option A.
In the root cells _______ pathway becomes discontinuous in the endodermis due to the presence of casparian strip. September 14, 2025 by Admin Tonoplast Apoplast Symplast Vacuolar ✅ The correct answer is option B.
In osmosis water molecules move from area of _______ to _______ through semipermeable membrane September 14, 2025 by Admin Higher solute concentration to lower solute concentration Lower solute concentration to higher solute concentration Lower solvent concentration to higher solvent concentration All of these ✅ The correct answer is option B.
Chromosomes are composed of September 14, 2025 by Admin 40% protein and 60% DNA 50% protein and 50% DNA 70% protein and 30% DNA 60% protein and 40% DNA ✅ The correct answer is option D.
Cytoplasmic strands that extend through pores in adjacent cell walls are known as September 14, 2025 by Admin Pseudopods Symplasts Plasmodesmata Pili ✅ The correct answer is option C.
Which of the following represents osmoregulatory steps taken by hydrophytes? September 14, 2025 by Admin Increases transpiration by increasing the surface area of the leave. Small and thick leaves to decrease the surface area proportional to the volume of the leave. Stomata closing in a sufficient supply, and opening in a restricted supply of water. None of these ✅ The correct answer is option A.
A typical human chromosome contains _________ nucleotides in its DNA September 14, 2025 by Admin 240 million 140 million 150 million 160 million ✅ The correct answer is option B.
In plants, water potential is determined by major factors. September 14, 2025 by Admin Three Four Two Five ✅ The correct answer is option C.