🚨Which of the following bryophytes contains structures known as elaters for spore dispersal?
Anonymous Quiz
17%
Mosses
17%
Liverworts
17%
Hornworts
50%
All of the above
🚨Which of the following structures is unique to the gametophyte generation of bryophytes?
Anonymous Quiz
0%
Sporangium
40%
Capsule
40%
Archegonium
20%
Sporocyte
🚨What is the primary mode of asexual reproduction in liverworts?
Anonymous Quiz
0%
Spore formation
60%
Fragmentation
40%
Formation of gemmae cups
0%
Budding
🚨 Which biotechnological technique is used to amplify a specific DNA sequence?
Anonymous Quiz
0%
Western blot
20%
Gel electrophoresis
40%
PCR
40%
ELISA
🚨What does the term "subculturing" refer to in cell culture?
Anonymous Quiz
50%
Exposing cells to a mutagenic agent
0%
Measuring the doubling time of cells
17%
Freezing cells for long-term storage
33%
Transferring cells to a new dish or flask
🚨 Which parameter is crucial for controlling the pH in cell culture?
Anonymous Quiz
50%
Carbon dioxide concentration
33%
Oxygen saturation:
0%
Calcium ion concentration
17%
Glucose level
🚨 What is the role of trypsin in cell culture?
Anonymous Quiz
38%
Initiating cell division
38%
Detaching cells from the substrate
13%
Enhancing cell adhesion
13%
Inhibiting viral contamination
🚨Which method is employed to measure cell viability in a culture?
Anonymous Quiz
13%
Gel electrophoresis
25%
Southern blotting
25%
Flow cytometry
38%
Polymerase chain reaction
🚨Which of the following elements is essential for the successful integration of T-DNA into the plant genome during Agrobacterium-mediated plant transformation using Ti plasmid?
Anonymous Quiz
11%
Presence of antibiotic resistance genes
33%
Size of the VirD2 protein
33%
Repeat sequences on T-DNA
22%
None of the above
🚨What is the role of RNA interference (RNAi) in biotechnology?
Anonymous Quiz
11%
Enhancing gene expression
56%
Inhibiting gene expression
22%
Promoting cell division
11%
Modifying cell membranes
🚨Problems in obtaining large amounts of proteins encoded by recombinant genes can often be overcome by using
Anonymous Quiz
13%
BACS
50%
YACS
13%
expression vectors
25%
all of these
गुणसूत्रों की न्यूनतम संख्या किसमें होती है
Anonymous Quiz
26%
हेप्लोपेप्पस में
47%
हेलीएंथस में
16%
टेगेटिस में
11%
लोटस में