Botany-CPMT MCQ Question and Answer
Botany-CPMT MCQ Question and Answer
101. Restorer gene for fertility is present in—
- Ribosome
- Nucleus
- Endoplasmic reticulum
- Polyribosome
102. The points at which crossing over occurs between homologous chromosomes are called—
- Chromonemata
- Chromomere
- Chiasmata
- All of the above
103. The process in which the amount of DNA, RNA and protein can be known at a time is called—
- Autoradiography
- Cellular fractioning
- Phase-contrast microscopy
- All of the above
106. Which of the following antibiotics blocks the synthesis of bacterial cell wall ?
- Streptomycin
- Tetracycline
- Penicillin
- Erythromycin
107. A technique used for studying the effect of deficiency or toxicity of mineral nutrients on plant growth and metabolism is called—
- Hydroculture
- Hydroponics
- Solution culture
- All of the above
108. Which of the following enzymes recognizes particularly common DNA lesions ?
- RNA polymerase
- DNA polymerase
- DNA glycolysase
- All of the above
109. The efficient oil eating ‘super bug’ developed through genetic engineering used in cleaning of oil spills polluted sites is a species of—
- Citrobacter
- Pseudomonas
- Arthrobacter
- Thiobacillus
110. The appearance of thin-thread like condensing chromosomes marks the first phase of mitosis called—
- Metaphase
- Prophase
- M-phase
- None of the above