BCECE Question Paper

Hello I am interested in having the previous years question paper for the Bihar Combined Entrance Competitive Examination?

the previous years question paper for the Bihar Combined Entrance Competitive Examination is as follows:

1. A prokaryotic cell lacks
(a) nucleus (b) nuclear membrane
(c) membrane bound organelles (d) all of these

2. Extranuclear inheritance is a consequence of the presence of genes in
(a) ER and mitochondria (b) lysosomes and ribosomes
(c) ribosomes and chloroplast (d) mitochondria and chloroplasts

3. Vesicles of smooth endoplasmic reticulum (SER) are most likely on their way to
(a) plastids (b) lysosomes
(c) nucleolus (d) golgi apparatus

4. Lysosomes are the store house of
(a) ATP (b) sugar
(c) proteins (d) hydrolytic enzymes

5. Lipids are insoluble in water, because lipid molecules are
(a) neutral (b) zwitter ions
(c) hydrophobic (d) hydrophilic

6. Which of the following is the simplest amino acid?
(a) glycine (b) alanine
(c) tyrosine (d) asparagine

7. Carbohydrates, ingested in the diet, are hydrolyzed by the enzyme
(a) pepsin (h) cellulase
(c) cc-amylase (d) glycosidase

8. Stomach is the site of digestion mainly for
(a) fats (b) proteins
(c) carbohydrates (d) all of these

9. Which proteolytic enzyme induces lysis of fibrin during fibrinolysis ?
(a) fibrin (b) thrombin
(c) plasmin (d) plate let factor VII

10. Which of the following enzymes is used to join bits of DNA ?
(a) ligase (b) primase
(c) endonuctease (d) DNA polymerase

11. Ail eukaryotic genes contain two kinds of base sequences. Which of the following plays role in protein synthesis ?
(a) introns (b) exons .
(c) electrons (d) both ‘a` and ‘b’

12. The genetic material of prokaryotic cell is called
(a) nucleus (b) nucleolus
(c) nucleoid (d) centromere

13. In prokaryotes, the genetic material is
(a) linear DNA with histories
(b) circular DNA with histones
(c) linear DNA without histones
(d) circular DNA without histones

14. The direction of DNA replication is from
(a) amino acid end (b) 3` end towards 5′end
(c) 5′ end towards 3′ end (d) amino terminus to carboxy terminus

15. In operon concept, regulator gene functions as
(a) repressor (b) regulator
(c) inhibrtor (d) initiator

16. The importance of meiosis lies in
(a) bringing discontinuous variations
(b) addition in the number of chromosomes
(c) reduction in die number of chromosomes
(d) maintaining the number of chromosomes

17. la mitotic cell division, the division of centromere and the division of chromatid occurs between
(a) anaphase and telophase (b) prophase and metaphase
(c) telophase and interphase (d) anaphase and metaphase

18. In which stage of the first meiotic division, each chromosome undergoes longitudinal
division to give rise to two sister chromatids ?
(a) zygotene (b) diplotene
(c) diakinesis (d) pachytene

19. Mirabilis jalapa is an example of .
(a) complete dominance (b) supplementary gene
(c) incomplete dominance (d) complementary gene

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Answered By StudyChaCha Member