Biology questions
20584 published questions with worked solutions.
- Which of the following is not an application of PCR (Polymerase Chain Reaction)?
- In the equation GPP - R = NPP, R represents :
- The first stable product of CO_2 fixation in Sorghum is :
- Which of the following algae produce Carrageen?
- Match List-I with List-II. Choose the correct answer from the options given below. List-I: (a) Cristae (b) Thylakoids (c)...
- Which of the following are not secondary metabolites in plants?
- Which of the following algae contains mannitol as reserve food material?
- A typical angiosperm embryo sac at maturity is :
- Diadelphous stamens are found in :
- When gene targetting involving gene amplification is attempted in an individual's tissue to treat disease, it is known as :
- Plants follow different pathways in response to environment or phases of life to form different kinds of structures. This ability...
- The plant hormone used to destroy weeds in a field is :
- Match Column-I with Column-II. Column-I: (a) Rhizobium (b) Nitrococcus (c) Thiobacillus (d) Nitrobacter Column-II: (i)...
- What is the role of RNA polymerase III in the process of transcription in eukaryotes?
- In some members of which of the following pairs of families, pollen grains retain their viability for months after release?
- Match List-I with List-II. List-I: (a) S phase (b) G_2 phase (c) Quiescent stage (d) G_1 phase List-II: (i) Proteins are...
- Now a days it is possible to detect the mutated gene causing cancer by allowing radioactive probe to hybridise its complimentary...
- Plasmid pBR322 has PstI restriction enzyme site within gene amp^R that confers ampicillin resistance. If this enzyme is used for...
- Match Column-I with Column-II Column-I: (a) % K _ (5) C _ 1+2+(2) A _ (9)+1 G _1 (b) K _ (5) C _ (5) A _5 G _ (2) (c) P _ (3+3) A...
- DNA fingerprinting involves identifying differences in some specific regions in DNA sequence, called as :