UHS MDCAT 2019 PAPER (PART 2) 1. Xerophytes have small thick leaves to: Help them float on water Limit water loss by reducing the surface area Help them survive in salty environment Limit water loss by increasing the surface area 2. Among followings which cellular organelle contains circular DNA similar to those found in bacteria? Chloroplast Ribosomes Nucleus Lysosomes 3. A person was married to his cousin and both are heterozygous for sickle cell anemia. Among their four kids, what will be proportion of affected homozygotes? 75% 100% 25% 50% 4. The route of urine excretion from kidney to outside of body Is: Kidney→ Urethra→ Urinary bladder→ Ureter Kidney→ Ureter→ Urinary bladder→ Urethra Kidney→ Ureter→ Urinary→ Urethra→ Urinary bladder Urinary bladder→ Kidney→ Ureter→ Urethra 5. The phase of mitosis in which sister chromatid move towards opposite poles: Anaphase Prophase Telophase Metaphase 6. The Plasmid pBR322 has antibiotic resistance genes for: Tetracycline and Doxycycline Streptomycin Doxycycline and Ampicillin Ampicillin and Tetracycline 7. The nitrogen containing bases in nucleotide are of two types; Purine and Pyrimidines; The purine bases are: Adenine and Guanine Guanine and Cytosine Adenine and Thymine Adenine, Guanine and Cytosine 8. The following flowchart depicts the steps of the Calvin Cycle. Which option according to you fits in as the correct answer of the missing step? Pyruvate Hydrogenase Ribulose bisphosphate Oxaloacetate 9. DNA polymerase enzyme for PCR is isolated from bacteria Thermus aquaticus because: It can be used again and again It can withstand low denaturation temperature It can work at high speed It can withstand high denaturation temperature 10. The type of energy reduced by the enzymes for biological reactions to occur is called the: light Energy Active energy Heat energy Activation energy Loading … Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
in question no 10
the type of energy reduced by the enzymes for biological reactions to occur is called ACTIVATION ENERGY
at here the correct answer is active energy which is wrong
I get great benefit from this website . thanks for this.
Thank you, Quratulain, for visiting mdcat1.com! We greatly appreciate your valuable feedback. Thanks for the appreciation.