LIFE SCIENCES 06/22 1.2 Give the correct biological term for each of the following descriptions. Write only the term next to the question number (1.2.1-1.2.8) in the ANSWER BOOK. 1.2.1 The type of fertilisation where the eggs are fertilised inside the body of the animal G 1.2.2 A blood vessel in the umbilical cord that transports nutrients to the foetus 1.2.3 Organelle outside the nucleus of animal cells that contains DNA 1.2.4 The part of the ear that directs sound waves into the external auditory canal 1.2.5 The structure in the head of a sperm containing digestive enzymes 1.2.6 The stage when secondary sexual characteristics develop in males and females 1.2.7 The network of genetic material found in the nucleus during interphase 1.2.8 The type of egg produced by reptiles that has extra-embryonic membranes (8 x 1) 1.3 Indicate whether each of the descriptions in COLUMN I applies to A ONLY, B ONLY, BOTH A AND B or NONE of the items in COLUMN II. Write A only B only, both A and B or none next to the question number (1.3.1-1.3.3) the ANSWER BOOK. COLUMNI COLUMN II 1.3.1 Discovered the structure of the DNA A: Watson and Crick molecule B: White and Dart 1.3.2 Reproductive strategy in birds where A: Precocial hatchlings are helpless and unable to move and feed themselves B: Altricial 1.3.3 Type of inheritance where both A: Incomplete dominance alleles are expressed equally in the phenotype B: Complete dominance (3 x

1st Edition

ISBN:9781938168130

Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Publisher:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble